Respiratory ProtectionFiltersABEK1P3 Combination Filter Bayonet ConnectionThis 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 and Full Face masks model P500.Bayonet connectionRetail box which aids presentation for retail salesLightweight and comfortableCE certified