The Chin-Type Ammonia Gas Mask provides respiratory protection against
particulates, vapors, and gases by means of a lightweight
replaceable canister. The full facepiece and round plastic
canister are designed to permit downward head movement.
The MSA Gas Mask Canister protects against
phosphine, ammonia, and chlorine. Its Filter (99.97%
filter efficiency level) is effective against all particulate aerosols.