The 3M 7800B Series Full Facepiece was designed specifically for first respondersIt provides reliable performance for the most critical emergency situationsThis face piece is certified for CBRN applications when used with 3M Canister FR-15-CBRNAlso NIOSH approved with 3M Canister CP3N for use against CS,CN and as a P100 filter in riot conditions,including those with teargas,,Features a low-profile design to improve comfortNewly designed exhalation valve cover helps protect the valve against chemical agents and butyl rubber seal help resists permeation of warfare agentsCanister can be mounted on either side of the face piece to enable weapon sightingLens has optical correction promoting no left-to-right visual distortionLens also meets ANSIZ87+ standard,providing high-impact protection and can be used as primary eye protectionAvailable in Small,Medium and Large.