ABEK1P3 R Pre-assembled gas & particulate filter. ABEK1 for protection against organic, inorganic, ammonia and acid gases [Bp>65�C]. P3 protection against harmful and carcinogenic dusts, fumes and water/oil based mists/aerosols 10 x WEL Revolutionary EasyLock filter system with no additional clips or holders. Different gas and particulate filters can be combined. EasyLock� particulate filters can either be connected to the EasyLock� gas cartridges or directly with the mask body. Any combination of filters possible, simply click together, there is no need for additional clips or filter holders. 1 BOX = 6 FILTERS (NOT PAIRS)