Gas Filter ABEK1 bayonet connection (Pk6)

The P921 is a class 1 ABEK type filter and protects against organic and inorganic acid gases and vapours, sulfur dioxide, ammonia and its derivatives with a boiling point above 65°C. The special Portwest bayonet system ensures a more secure connection between the mask and the filter, while the twin filters offer better comfort and balance. This filter is compatible with the P500 full face masks and the P420, P430, P421, P431 half masks.