AirBossC4 CBRNGas Mask

Key Features

The AirBoss C4 Gas Mask is a trusted air-purifying respirator choice for protection by military, police, and first responders worldwide. The butyl rubber is tested in the harshest conditions and is proven to protect users against chemical warfare agents (CWA), toxic industrial chemicals (TIC), and biological agents. With an optimal balance of performance and comfort, it has been a mask of choice for over a decade, and it’s still going strong.

Comfortable and secure fit

A breathable mesh head harness for easy long-duration wear with head gear, and two points of adjustment for fast donning and doffing.

Interchangeable filters

EN 148-1 40mm NATO filter threads for use with any AirBoss filter. Can be used on either left or right side for clear view with weapon sights.

Operation-driven optics

Shatterproof, replaceable, polycarbonate lenses for superior operational performance and protection.


24-hour defense against chemical warfare agents (CWA), toxic industrial chemicals (TIC), and biological agents.

Audible speech transmission

Front and side speech transmitters, and usable with the AirBoss Voice Projection Unit (VPU) for clear, audible speech.

Safe hydration

Useable with CBRN canteens and camelbaks for safe hydration when its needed most.


Small (S), Medium (M), Large (L), and Extra Large (XL)
Weight (without filter)
  • 1 lb (454 g) per unit (size M)
Vacuum foil bag
Shelf Life
15 years in original packaging
Operational Range
-26° F to 158° F (-32° C to 70° C)
-67° F to 140° F (-55° C to 60° C)

Works with these products

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C4 CBRN Gas Mask

The AirBoss C4 CBRN Gas Mask is a trusted and essential kit component of military and first-response forces worldwide.

Filters and Cartridges

AirBoss filters protect against a wide range of chem-bio agents and contaminants. Our filters can be used individually or in a dual configuration.

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