The C2A1 canister is the standard-issue U.S. military filter for chemical-biological masks, designed to provide reliable respiratory protection against a broad spectrum of chemical warfare agents, biological particulates, and riot control gases. Manufactured with advanced ASZM-TEDA activated carbon, the C2A1 offers enhanced absorption capabilities and dependable performance in demanding environments. This canister is compatible with masks using a standard 40mm NATO threaded connector, making it widely adaptable for military, law enforcement, and civilian preparedness use.
USGI 40mm C2A1 CBRN Gas Mask Filter Canister (Unopened)
Specifications
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NSN: 4240-01-361-1319
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Designation: Canister, Chemical-Biological Mask (ASZM-TEDA), C2A1
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Connection Type: Standard 40mm NATO thread
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Filtration Media: ASZM-TEDA activated carbon with particulate filter
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Protection Against: Chemical warfare agents, biological threats, riot control agents, and certain toxic industrial chemicals
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Compatibility: U.S. M40, M42, MCU-2/P, M45, and other 40mm NATO standard masks
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![Pallet of 48 Cases [576 Meals] US MREs (Meal, Ready to Eat) - Insp. 09/25](https://static.wixstatic.com/media/772f2a_f80c7665d2f94a79a5715ab29e6352f4~mv2.jpg/v1/fill/w_147,h_127,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_avif,quality_auto/772f2a_f80c7665d2f94a79a5715ab29e6352f4~mv2.jpg)
![Pallet of 48 Cases [576 Meals] US MREs (Meal, Ready to Eat) - Insp. 09/25](https://static.wixstatic.com/media/772f2a_6a91fe435e09431ca7e0fa573ae32124~mv2.jpg/v1/fill/w_147,h_87,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_avif,quality_auto/772f2a_6a91fe435e09431ca7e0fa573ae32124~mv2.jpg)
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