A2P3 Combination Filter Bayonet Connection (Pk4) Baselayer There is an integrated V-groove

There is an integrated V-groove located on the lid

an adjustable waistband (full English anyone

36v (18v x 2)

fast and accurate joints

A2P3 Combination Filter Bayonet Connection (Pk4) Baselayer There is an integrated V-grooveP952 is A2P3 type combination filter. Classified as a class 2 filter for gases and class 3 for particles, it can be used to protect against harmful substances, solvents, toxic particles and micro organisms. The special Portwest bayonet system ensures a safer connection between the mask and the filter while the twin filters offer improved comfort and balance. This filter is compatible with the P500 Full Face masks and the P420, P430, P421, P431 Half