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SKU: 1216-10010

Type: Chest Seal

Vendor: Medical Devices, Inc.

HALO™ Seal Non-Vented Chest Seal — IFAK Two Pack

Name: HALO™ Seal Non-Vented Chest Seal — IFAK Two Pack
Brand: Medical Devices, Inc.
SKU: 1216-10010
Price: 15.91 USD
Availability: InStock

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PRODUCT INFORMATION

HALO™ by Medical Devices, Inc. · Non-Vented Chest Seal

HALO™ Seal Non-Vented Chest Seal — IFAK Two Pack

Two non-vented HALO Seal occlusive chest seals folded into one 5.5 × 7.5 in. IFAK pouch — one for the entry wound, one for the exit. Each 8.35 × 6.06 in. seal pairs a scrim-reinforced hydrogel with an outer tape edge and seals the hole completely, with no vent. Made in the USA by Medical Devices, Inc. of Romulus, Michigan, and carried in the military supply system under NSN 6510-01-698-3420.

Non-vented — fully occlusive2 seals per pouch8.35 × 6.06 in. each−30 °F to 140 °FNSN 6510-01-698-3420

A non-vented seal does its job the moment it goes on. The rest of the job is yours: watch the breathing, and burp the seal the moment it gets worse.

The short answer

What it is

Two non-vented occlusive chest seals in one IFAK-size pouch: transparent backing, hydrogel plus an outer tape edge, large pull tab.

Use it for

An open or sucking chest wound and its exit wound, when no vented seal is available — the TCCC Guidelines' second choice after a vented seal.¹

How it's used

Wipe the skin, peel the liner, center the seal over the hole and press it on without stretching. Then watch the casualty's breathing, and burp or remove the seal if it gets worse.^1,4

Who carries it

Units, agencies and trained civilians whose kits or protocols call for a non-vented seal, and anyone building a backup alongside vented seals.

At a glance

Type

Non-vented — fully occlusive

Seals per pack

2 HALO Seal

Seal size

8.35 × 6.06 in. (21.2 × 15.4 cm)

Pouch

5.5 × 7.5 in. IFAK — seals folded in thirds

Adhesive

Scrim-reinforced hydrogel + outer tape edge

Temperature rating

−30 °F to 140 °F (−34 °C to 60 °C)

Shelf life

6 years

NSN

6510-01-698-3420

Manufacturer item

US 1216-10010

FDA

Class I, 510(k)-exempt

12 things to know about the HALO Seal

Where a non-vented seal fits in TCCC, what it does and does not do, and the study that tested this exact seal.

01

A non-vented seal has a defined place

The TCCC Guidelines dated 1 May 2026 call for a vented chest seal on every open or sucking chest wound, and a non-vented seal when a vented one is not available — followed by monitoring for a developing tension pneumothorax.¹ The civilian-focused C-TECC accepts non-vented seals used with serial reassessment, burping and decompression.¹⁴ Most seals placed on U.S. casualties with chest wounds in Afghanistan were non-vented.¹³
02

What it does — and what it cannot

The HALO Seal is an occlusive dressing that covers the wound and provides a mechanical barrier, so air is no longer drawn in through the chest wall.⁴ It has no vent: air leaking from an injured lung inside the chest has no way out until someone burps the seal.
03

This exact seal was tested

U.S. Army researchers used the HALO as the unvented seal in a 2013 swine study. Both it and a vented seal restored breathing within five minutes; with air still leaking into the chest, the unvented seal led to tension pneumothorax in all 8 animals after about 1.4 L, while the vented seal held through 2 L.¹⁰ That finding moved TCCC to vented-first.⁹
04

Burping is the built-in safety valve

The large pull tab is there to place the seal and to lift an edge so trapped air can escape; the instructions direct re-sealing as required.⁴ If breathing worsens, the TCCC Guidelines direct burping or removing the seal, and decompression by trained providers.¹
05

Know what worse looks like

The instructions list the warning signs of a developing tension pneumothorax: sharp chest pain, faster breathing, shortness of breath, a fast heart rate or low blood pressure, blue or discolored skin, lips or nails, and bulging neck veins.⁴
06

Two adhesives, not one

A hydrogel infused with scrim — a reinforcing mesh that adds strength and limits gel migration — plus an outer tape edge as a second adhesion zone. The manufacturer states it adheres in damp, dry, sandy and hairy conditions and in the presence of moisture, pleural fluid or blood.^3,4 The first step is still to clean and dry the skin.
07

Adhesion in the one human study

A 2021 systematic review found a single chest seal study with human participants (Supinski et al.); in it, adherence did not differ significantly among the Asherman, Bolin, HALO, HyFin, Russell and valved SAM seals.¹²
08

Two seals for two holes

The instructions direct a second seal on any additional chest wound,⁴ and this pouch carries it. Check the back, sides and armpits — an exit wound on the back is the one most often missed.
09

Big seal, small pouch

Each seal measures 8.35 × 6.06 in. (21.2 × 15.4 cm), folded in thirds into a 5.5 × 7.5 in. IFAK pouch about half the size of the flat pack.^3,5 The large footprint lets the adhesive reach intact skin all the way around the wound.
10

Rated −30 °F to 140 °F, six-year shelf life

Medical Devices, Inc. rates the HALO Seal from −30 °F to 140 °F (−34 °C to 60 °C) with a six-year shelf life; its FDA device record lists the same storage range, non-sterile, single use and not made with natural rubber latex.^3,7
11

In the military supply system

The two-pack carries NSN 6510-01-698-3420, cataloged as an occlusive adhesive dressing, IFAK two-pack.^3,8
12

Not on the evidence-based device list — and no chest seal is

The Evidence-Based Standard Devices & Adjuncts list dated 15 December 2021 names no chest seal, so the HALO Seal is not evidence-based standard; absence from the list does not by itself mean a product was tested and failed.² It is an FDA-registered, Class I (510(k)-exempt) occlusive wound dressing made by a company that launched HALO in 2009.^5,6

How to apply the HALO Seal

The sequence from the manufacturer's instructions and the TCCC Guidelines — with the monitoring a non-vented seal depends on.

1

Expose and find every hole. Cut clothing away and look and feel front, back, sides and armpits. Life-threatening bleeding is controlled first — tourniquet, packing, pressure dressing.
2

Cover it now. Put a gloved hand over the hole — or have the casualty do it — while you open the pouch at a tear notch.
3

Wipe it. Clean and dry the skin around the wound: blood, sweat and debris all fight the adhesive.⁴
4

Peel and place. Remove the clear liner without letting the gel touch anything else, then place the seal gel side down, centered over the wound.⁴
5

Press, don't stretch. Smooth it on with light pressure from the center out. Do not stretch the seal.⁴
6

Seal the exit. Apply the second seal the same way on any other chest wound.⁴
7

Position and watch. Unconscious and breathing: recovery position. Conscious: let them sit up or take whatever position helps them breathe.¹ Watch closely — a non-vented seal depends on it.^1,4
8

Worse? Burp it. Lift an edge with the pull tab to let trapped air escape, then press it back down — or remove the seal. Trained providers follow the Guidelines' decompression direction if breathing does not improve.^1,4
9

Hand it off. Tell the receiving team a non-vented seal is on, where, and whether it has been burped.⁴

Train before you need it. Practice placing and burping on a chest seal trainer until lifting an edge is automatic. Every chest seal is single use — one opened for practice does not go back into a kit.

Where it fits

Use it for

Open or sucking chest wounds when no vented seal is available¹
Entry and exit wounds from the same injury — two seals in one pouch
Kits built to a protocol that specifies a non-vented seal, with monitoring and burping trained¹⁴
A backup to vented seals in a larger bag

Not for

Packing — never pack gauze into a chest or abdominal wound
Over a protruding or impaled object — stabilize the object instead⁴
Post-surgical wounds — a listed contraindication⁴
Leaving unwatched — a non-vented seal needs someone monitoring breathing¹
Practice — train on a chest seal trainer, not a live seal

The evidence

Every study cited above, what it tested, and how strong it is.

Study	Evidence type	What was studied	What it found
*Kheirabadi et al., J Trauma Acute Care Surg* 2013**	Animal · crossover	Unvented HALO vs vented Bolin seal on an open chest wound with an ongoing air leak, 8 swine	Both restored breathing within 5 min; the unvented HALO led to tension pneumothorax in all 8 after ~1.4 L of air, the vented seal held through 2 L
*Kheirabadi et al., J Trauma Acute Care Surg* 2017**	Animal · comparative	Five vented seals on a bleeding open chest wound, 26 swine	Success ranged from 6/6 (Russell, Sentinel) to 0/4 (Bolin); vent design mattered
*Schachner et al., Ann Thorac Surg* 2022**	Bench · ex vivo	Improvised seals on a pig chest wall with a simulated open pneumothorax	Wet rescue-blanket squares sealed 5 of 5; plastic foil from a gauze wrapper sealed 0 of 5
*Schauer et al., J Spec Oper Med* 2017**	Human · combat registry	62 U.S. casualties with gunshot or puncture wounds to the chest, Afghanistan	74.2% received a chest seal; most seals placed were not vented
*Butler et al., J Spec Oper Med* 2013**	Expert review · TCCC change 13-02	evidence-based review of open pneumothorax care after the 2013 swine data	Vented chest seal first; non-vented if no vented seal; monitor, burp or remove, decompress
*Margolis et al., J Spec Oper Med* 2014**	Expert consensus · C-TECC	Committee for Tactical Emergency Casualty Care review of vented vs non-vented seals	Vented seals likely add benefit; non-vented users reassess, burp and decompress; no clear outcome superiority proven
*Paquette et al., J Spec Oper Med* 2021**	Systematic review	Six quantitative chest seal studies, 1990–2020, including one human-participant adhesion study	No significant adherence difference among six seals including HALO in the human study; device-level evidence limited
*Lyng et al. (NAEMSP), Prehosp Emerg Care* 2024**	Expert review · position statement	Structured review of EMS traumatic pneumothorax care	EMS may consider a vented seal in a spontaneously breathing patient; seals may be harmful during positive-pressure ventilation

Strongest to weakest: human data, then animal studies, then bench work. The 2013 swine study is the one that tested the HALO Seal itself; its model kept adding air to the chest, which is exactly the situation in which a non-vented seal has to be burped.

How it compares

The HALO line side by side, with the vented seal most often weighed against it.

	HALO Seal (2-pack)	HALO Vent (2-pack)	HALO Combo	HyFin Vent (twin pack)
Maker	Medical Devices, Inc.	Medical Devices, Inc.	Medical Devices, Inc.	North American Rescue
Vented	No — fully occlusive	Yes — four vents	One of each	Yes — channel vent
Seals per pack	2	2	2 (1 HALO Seal + 1 HALO Vent)	2
When the Guidelines use it	When no vented seal is available — then monitor¹	First choice¹	Vent on the first hole, Seal on a second	First choice¹
Published swine data	Unvented arm, 2013: tension pneumothorax in 8 of 8 with an ongoing air leak¹⁰	Not among the brands compared	Same two seals	Held in 4 of 6 with a bleeding chest wound¹¹
evidence-based standard	No	No	No	No

The Evidence-Based Standard Devices & Adjuncts list (15 December 2021) names no chest seal of any brand;² absence from the list does not by itself mean a product was tested and failed. Both HALO seals measure 8.35 × 6.06 in.^3,5

Build the system

The vented HALO options, the large-format HALO, a trainer, and the other three jobs in the kit.

HALO™ Vent IFAK Two Pack

Two vented HALO seals

HALO™ Combo IFAK

One HALO Vent plus one HALO Seal

HALO™ XL

Large-format non-vented seal

HyFin® Vent Twin Pack

North American Rescue vented seal

Chest Seal Trainer (CSAT)

Practice placement and burping

C-A-T® Gen 7 Tourniquet

evidence-based standard limb tourniquet

QuikClot® Combat Gauze®

Packing gauze for junctional bleeding

Emergency Trauma Dressing

Flat-packed pressure dressing

Free from MED-TAC

The Trauma Brief

MED-TAC's free trauma field guide, written by a physician and medical educator — what to do in the first minutes of a severe bleed, step by step.

Get the Brief ›

Questions buyers ask

▾Is the HALO Seal evidence-based standard?

No. The Evidence-Based Standard Devices & Adjuncts list dated 15 December 2021 names no chest seal of any brand.² Absence from the list does not by itself mean a product was tested and failed.

▾Is a non-vented seal the wrong choice?

No. The TCCC Guidelines put a vented seal first and a non-vented seal second, for when no vented seal is available — with monitoring either way.¹ C-TECC accepts non-vented seals used with reassessment, burping and decompression, while noting that vented seals likely add benefit.¹⁴ If you are choosing what to buy, vented is the first choice.

▾What should I watch for once it's on?

Worsening shortness of breath, faster breathing, a fast heart rate or falling blood pressure, sharp chest pain, blue lips or nails, bulging neck veins, and falling oxygen readings if you have a monitor.^1,4 Any of these means burp the seal now.

▾How do I burp it?

Lift one edge with the pull tab so trapped air can escape, then press the edge back down — or remove the seal. If breathing does not improve, trained providers follow the TCCC Guidelines' decompression direction.^1,4

▾Will it stick to a sweaty, hairy or bloody chest?

Medical Devices, Inc. states the HALO Seal adheres in damp, sandy and hairy conditions and with blood or pleural fluid present, using hydrogel plus an outer tape edge.^3,4 In the one human-participant adhesion study, HALO did not differ significantly from five other brands.¹² Wipe the skin dry first and press the edges down firmly.

▾Why two seals in one pack?

Penetrating wounds often have an exit, and the instructions direct a second seal on any additional chest wound.⁴ Roll the casualty or run your hands down the back and sides.

▾What if I don't have a chest seal?

Most bystanders won't. Have the casualty press their own hand over the hole, or cover it the best way you can, and keep watching their breathing. Improvising a seal is hard unless you have tape and something airtight: in a pig chest-wall model, wet rescue-blanket squares sealed every test wound while foil from a gauze wrapper sealed none.¹⁶ Unconscious and breathing: recovery position. Conscious: let them sit up or find the position that eases their breathing.¹

▾Should EMS use a chest seal on a patient being bagged?

The NAEMSP 2024 position statement advises that chest seals may be harmful and are not recommended during positive-pressure ventilation; for a spontaneously breathing patient it supports considering a vented seal.¹⁵ Follow your agency's protocol.

▾Can I pack a chest wound?

No. Never pack gauze into the chest or the abdomen. A chest wound gets a seal; bleeding from it is controlled with direct pressure over and around the wound while the seal goes on.

▾How should I store it, and how long does it last?

Sealed in its pouch within −30 °F to 140 °F (−34 °C to 60 °C), for up to six years.^3,7 It is non-sterile and single use — replace it once the pouch is opened.^4,7

Package & specifications

▾In the package — two non-vented seals

2× HALO™ Seal non-vented chest seal, 8.35 × 6.06 in. (21.2 × 15.4 cm), folded in thirds — transparent, scrim-reinforced hydrogel with an outer tape edge, large pull tab
1× IFAK pouch, 5.5 × 7.5 in. (14 × 19 cm), tear notches for opening
Non-sterile, single use, latex-free. Gloves sold separately.

▾Full specifications

Specification	Detail
Manufacturer	Medical Devices, Inc. — Romulus, Michigan, USA
Product	HALO™ Seal, 2 HALO Seal IFAK
Manufacturer item	US 1216-10010
NSN	6510-01-698-3420
Contents	2 HALO Seal non-vented chest seals in one IFAK pouch
Seal size	8.35 × 6.06 in. (21.2 × 15.4 cm)
Pouch	5.5 × 7.5 in. (14 × 19 cm), IFAK size; seals folded in thirds
Vent	None — fully occlusive
Adhesive	Hydrogel infused with scrim, plus an outer tape edge
Backing	Transparent; oversized release liner; large pull tab
Temperature rating	−30 °F to 140 °F (−34 °C to 60 °C) — storage and handling
Shelf life	6 years
Latex	Latex-free — not made with natural rubber latex
Sterility / use	Non-sterile, single use
Contraindication (manufacturer)	Post-surgical applications
FDA	Occlusive wound dressing, product code NAD, 21 CFR 878.4020 — FDA-registered, Class I (510(k)-exempt)
Made in	USA
TCCC status	Non-vented chest seal — the TCCC Guidelines' choice when no vented seal is available; not evidence-based standard (the evidence-based list names no chest seal)

▾References — 16 sources

Committee on Tactical Combat Casualty Care. Tactical Combat Casualty Care (TCCC) Guidelines, 1 May 2026.
Committee on Tactical Combat Casualty Care. Evidence-Based Standard Devices & Adjuncts, 15 December 2021.
Medical Devices, Inc. 2 HALO Seal IFAK (US 1216-10010) — specifications, NSN, product features and intended use. medicaldevicesinc.com (WEB-038 rev04, effective 27 February 2026).
Medical Devices, Inc. HALO Seal Instructions for Use, United States. Doc. MAW-0429 rev03.
Medical Devices, Inc. Company history and product FAQ — IFAK and Flat Pack pouches, HALO dimensions, ISO 13485, U.S. manufacturing. medicaldevicesinc.com.
U.S. Food and Drug Administration. Establishment Registration & Device Listing — Medical Devices Inc., Romulus, MI: Halo Seal, Halo Vent, Halo XL; product code NAD (Dressing, Wound, Occlusive), 21 CFR 878.4020, Class I, 510(k)-exempt.
U.S. National Library of Medicine. AccessGUDID device record — Halo, US 1216-10010 (Halo Seal IFAK, 2 Halo Seals), primary DI 00850010608242.
Defense Logistics Agency, Federal Logistics Information System. NSN 6510-01-698-3420, Dressing, Occlusive, Adhesive — Seal, IFAK 2 Pack; assigned 10 November 2021.
Butler FK Jr, DuBose JJ, Otten EJ, et al. Management of open pneumothorax in Tactical Combat Casualty Care: TCCC Guidelines Change 13-02. J Spec Oper Med. 2013;13(3):81–86.
Kheirabadi BS, Terrazas IB, Koller A, et al. Vented versus unvented chest seals for treatment of pneumothorax and prevention of tension pneumothorax in a swine model. J Trauma Acute Care Surg. 2013;75(1):150–156.
Kheirabadi BS, Terrazas IB, Miranda N, et al. Do vented chest seals differ in efficacy? An experimental evaluation using a swine hemopneumothorax model. J Trauma Acute Care Surg. 2017;83(1):182–189.
Paquette R, Quinene M, Blackbourne LH, Allen PB. Efficacy of commercial chest seal adherence and tension pneumothorax prevention: a systematic review of quantitative studies. J Spec Oper Med. 2021;21(3):78–85.
Schauer SG, April MD, Naylor JF, et al. Chest seal placement for penetrating chest wounds by prehospital ground forces in Afghanistan. J Spec Oper Med. 2017;17(3):85–89.
Margolis AM, Tang N, Levy MJ, Callaway DW. Management of open chest wounds in tactical emergency casualty care: application of vented versus nonvented chest seals. J Spec Oper Med. 2014;14(4):136–138.
Lyng JW, Ward C, Angelidis M, et al. Prehospital Trauma Compendium: traumatic pneumothorax care — position statement and resource document of NAEMSP. Prehosp Emerg Care. Published online 4 December 2024.
Schachner T, Isser M, Haselbacher M, et al. Rescue blanket as a provisional seal for penetrating chest wounds in a new ex vivo porcine model. Ann Thorac Surg. 2022;114(1):280–285.

Genuine HALO™ — Medical Devices, Inc.

Sourced direct from the manufacturer or an authorized master distributor. Ships from MED-TAC International, South Florida, US of A — clinician-founded, veteran-led, SDVOSB-certified.

Built around MARCH. Every kit we sell maps to the MARCH protocol — Massive hemorrhage, Airway, Respiration, Circulation, Hypothermia. Learn the sequence in our complete MARCH guide.

SPECS & MEASUREMENTS

Specifications coming soon. Contact us for detailed product information.

CLINICAL RATIONALE

Chest Seals in Thoracic Trauma

Chest seals are critical life-saving tools for treating open chest wounds (sucking chest wounds) that disrupt the negative pressure needed for normal breathing.
When air enters the pleural space through a penetrating injury, it prevents the lung from fully expanding and may lead to a tension pneumothorax — a life-threatening condition if not addressed promptly.
Properly applied chest seals restore intrathoracic pressure balance and allow the injured lung to re-expand, buying vital time until definitive care or decompression is available.

1. Vented Chest Seals

Clinical Rationale (Vented):

Vented chest seals feature one-way valves or channels that allow trapped air and fluids to escape from the chest cavity while preventing further air entry.
This controlled venting mechanism reduces the risk of developing a tension pneumothorax and is recommended by the Committee on Tactical Combat Casualty Care (CoTCCC) for most open thoracic injuries when the vent remains unobstructed.
In tactical and emergency medical settings, vented seals maintain proper intrathoracic pressure dynamics and help stabilize respiration during evacuation.

Allows air and blood to escape while blocking additional air entry
Recommended by CoTCCC for most penetrating chest wounds
Prevents progression to tension pneumothorax
Effective during movement and transport phases

2. Non-Vented Chest Seals

Clinical Rationale (Non-Vented):

Non-vented chest seals provide a fully occlusive barrier that prevents any external air from entering the pleural cavity.
These are preferred when environmental factors — such as dust, debris, heavy clothing, or complex wound locations — could obstruct a vent or prevent it from functioning properly.
Non-vented models are especially effective when there are multiple wounds or when both sides of the chest are compromised.

Creates an airtight seal to stop further air intrusion
Ideal for contaminated or complex wound environments
Preferred for posterior or multiple thoracic injuries
Simple and reliable under stress conditions

3. Twin Pack / Dual Application

Clinical Rationale (Twin Pack):

Twin chest seal packs are designed for simultaneous coverage of entry and exit wounds or multiple penetrating thoracic injuries.
Applying seals to both anterior and posterior wounds prevents air intrusion from either side and ensures consistent intrathoracic pressure stabilization.
This configuration allows medics and responders to treat through-and-through injuries quickly and efficiently without improvisation.

Enables rapid treatment of entry and exit wounds
Maintains consistent chest pressure across both sides
Optimized for tactical and prehospital trauma management
Reduces need for multiple packages or improvised seals

4. Training Chest Seals

Clinical Rationale (Training):

Training chest seals replicate the adhesive strength and venting design of operational models using non-sterile materials.
They are intended for classroom, simulation, and scenario-based instruction, allowing responders to practice correct placement, adhesion, and vent inspection without wasting live medical gear.
Consistent repetition with realistic trainers develops muscle memory and speed during actual trauma incidents.

Simulates vented or occlusive seal behavior for realistic training
Promotes correct placement and adhesion technique
Preserves sterile operational supplies
Ideal for EMT, tactical, and civilian responder courses

Clinical Summary

Chest seals play a pivotal role in preventing death from tension pneumothorax, one of the leading causes of preventable trauma mortality.
Both vented and non-vented designs serve distinct operational needs, while twin and training packs ensure preparedness across all care phases — from education to battlefield or civilian emergencies.

Vented: Allows controlled egress of trapped air; standard CoTCCC-recommended choice.
Non-Vented: Fully occlusive; best for debris-rich or posterior wound sites.
Twin Pack: Provides coverage for through-and-through injuries.
Training: Non-sterile practice tool for skill retention and readiness.

By re-establishing chest wall integrity and controlling air movement, chest seals restore lung expansion and stabilize respiratory mechanics until advanced medical care is available.

SHIPPING & RETURNS

Domestic & Military Shipping

Free Standard Shipping: Automatically applied at checkout on all orders $200 and above within the 48 contiguous United States (CONUS).

APO/FPO Military Addresses: Unconditionally free standard shipping on every order, with no minimum purchase required.

Order Processing & Tracking

Fulfillment Timeline: In stock merchandise ships within 48-72 hours from Florida HQ.

Automated carrier tracking details are emailed immediately upon shipment dispatch.

30-Day Returns & Medical Safety

Returns: Unused, unopened equipment in original manufacturer packaging is eligible for return within 30 days of delivery.

Bio-Safety Notice: To ensure sterility and patient safety, medical consumables with opened or broken tamper-evident seals cannot be returned.

Return Facility: MED-TAC International Corp., 15757 Pines Blvd, Suite 154, Pembroke Pines, FL 33027.

Export Compliance

North American Rescue (NAR) products and rifle hard armor plates are strictly restricted to US and APO/FPO addresses and cannot be exported internationally.

FREQUENTLY ASKED QUESTIONS

Is the HALO Seal IFAK Two Pack vented or non-vented?

The HALO Seal IFAK Two Pack contains non-vented (fully occlusive) chest seals — the HALO™ Seal, which is a mechanical barrier without vent channels. This is different from the HALO™ Vent (which has 4 vent positions) and the HALO Combo IFAK Two Pack (which contains one of each). The occlusive HALO Seal prevents air from entering the pleural space through the wound. Per the 2024 CoTCCC TCCC Guidelines, when a non-vented seal is used, the casualty should be monitored for tension pneumothorax development.

Why carry non-vented seals when CoTCCC recommends vented seals?

CoTCCC guidelines recommend vented seals as the first-line choice but explicitly state that non-vented seals are appropriate when vented seals are unavailable. Non-vented seals also have specific clinical advantages: for posterior (back) wounds where a vent channel would face downward and could not drain properly; for training and familiarization programs; and for organizations with established occlusive seal protocols. Many units carry both types — the HALO Seal Two Pack (non-vented) + HALO Vent Two Pack, or a combo pack — to cover all scenarios.

How does the HALO Seal Two Pack compare to the HALO Combo IFAK Two Pack?

The HALO Seal IFAK Two Pack contains two non-vented (occlusive) HALO™ Seals. The HALO Combo IFAK Two Pack (SKU 1216-10012) contains one non-vented HALO™ Seal + one vented HALO™ Vent. Choose the HALO Seal Two Pack if your protocol calls for applying occlusive seals to all wounds (both entry and exit) and monitoring for tension pneumothorax. Choose the HALO Combo if your protocol is to apply the vented seal to the entry wound and the non-vented seal to the exit wound. Both packs use the same IFAK-sized packaging (7" × 5") and HALO Gel adhesive system.

What is the shelf life and storage requirements for HALO Seals?

HALO Seal products have a 6-year shelf life from the date of manufacture. The durable packaging is impervious to water, air, and gases, and is puncture and tear resistant — protecting the hydrogel adhesive from environmental degradation during storage and field carry. The seals retain effectiveness when stored across the temperature range of -30°F to 140°F and when the packaging has been folded or crushed in an IFAK. No special storage conditions (refrigeration, climate control) are required beyond keeping the packaging intact.

Can I use the HALO Seal IFAK Two Pack packaging as an additional occlusive barrier?

Yes. The HALO packaging material is water-impermeable and can be used as an improvised occlusive barrier in an emergency — for example, if additional wound coverage material is needed or as a three-sided dressing in a field-expedient situation. The package material should be secured to the casualty using available adhesive dressing material such as medical tape or a spare chest seal. This improvised use is referenced in TCCC training materials as a contingency option when dedicated occlusive dressings are depleted.

HALO™ Seal Non-Vented Chest Seal — IFAK Two Pack

At a glance

12 things to know about the HALO Seal

A non-vented seal has a defined place

What it does — and what it cannot

This exact seal was tested

Burping is the built-in safety valve

Know what worse looks like

Two adhesives, not one

Adhesion in the one human study

Two seals for two holes

Big seal, small pouch

Rated −30 °F to 140 °F, six-year shelf life

In the military supply system

Not on the evidence-based device list — and no chest seal is

How to apply the HALO Seal

Where it fits

The evidence

How it compares

Build the system

Questions buyers ask

Package & specifications

Chest Seals in Thoracic Trauma

1. Vented Chest Seals

2. Non-Vented Chest Seals

3. Twin Pack / Dual Application

4. Training Chest Seals

Clinical Summary

Domestic & Military Shipping

Order Processing & Tracking

30-Day Returns & Medical Safety

Export Compliance

FREQUENTLY ASKED QUESTIONS

Customer Reviews

Essential Add-Ons

Learn & Prepare by Profession

My Wishlist

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What's your budget range?

Do you want a fully stocked kit, or would you rather build your own?

Almost there. Where should we send your kit recommendation?