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 [boiling point >65°C] + in 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 14387:2004+A1:2008.Retail Box of 2 Moldex EasyLock® ABEK1P3 R Pre-assembled Filters Moldex Easylock Abek1p3 R Pre-assembled Filter (retail Box Of 2)