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The P921 is a type ABEK class 1 filter, which protects against organic and inorganic acid gases and vapors, sulfur dioxide, ammonia, and its derivatives, when the boiling point is higher than 65°C.
The special bayonet system ensures a safer connection between the mask and the filter, while the double filters offer improved comfort and balance.
Compatible with:
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.