CBRN 40mm Replacement Canister Lasts for Five Years
This side-mount CBRN 40mm Replacement Canister can be attached to either side of your gas mask for right or left-handed sighting preference. The 40mm DIN threads allow emergency interoperability. Approved for CBRN (chemical, biological, radiological, nuclear). Use with NORTH CBRN Gas Masks (Nos. 133342 and 133343), sold separately.