6 Pieces Portwest ABEK1 Gas and Vapor Filter Bayonet P921

The P921 from Portwest is an ABEK type class 1 filter and protects against both organic and inorganic acid gases and vapours, sulfur vapours, ammonia and its derivatives with a boiling point above 65°C. The specially designed bayonet mounting system provides a secure fit between mask and filter while the dual filters provide improved comfort and balance. This filter should be used with the P500 full face mask and the P420 and P430 half face masks.