Moldex EasyLock Filters for Series 7000 & 9000 masks. No need for additional clips or holders, different gas and particulate filters can be combined. EasyLock particulate filters can either be connected to the EasyLock gas cartridge or directly to the mask body. Adaptors or particulate pre-filters are not necessary. ABEK1 protection against organic boiling point & gt65C + inorganic gases & vapours, acid gases and ammonia. Plus P3 protection against harmful and toxic dusts, fumes and aerosols based on water and oil. 10 x Workplace Exposure Limit (Half Mask). 20 x Workplace Exposure Limit (Full Face Mask). OR 1000 ppm whichever is lower. Tested and certified to EN 143872004+A12008. Retail Box of 2 Moldex EasyLock ABEK1P3 R Pre-assembled Filters