This combination gas and particle filter protects from organic and inorganic acid gases and vapours, sulphur dioxide, ammonia and its derivatives. Classified as a class 1 filter for gases and class 3 for particles it protects against harmful substances, solvents, toxic particles and micro-organisms. The special Portwest bayonet system ensures a safer connection between the mask and the filter. This filter is compatible with half masks P420, P430, P421, P431 and Full Face masks model P500.
 
Features
Bayonet connection
Lightweight and comfortable
CE certified
UKCA marked
CE-CAT III