HUWEIJIA 50PCS/Pack 5N11 Particulate Replacement Respirator Filters for 3 m 6000/6200/7502/6800/7501/Ff40 Half Full Face Dust Gas Masks, Spray Paint Chemical Mask Replaced Cotton Filter, White

Made of microfiber,non-woven cloth,meltblown cloth Material, effectively keeping you away from non-oily and oily dust and particulates. Generally used with 501 filter retainer and 6001,6002,6003,6004,etc. Cartridges for 3M 6200/7502/6800 Series mask. It can filter all kinds of non-oily and oily particles, but it is not suitable for filtering radiation and high-toxic particles. Effective, giving you a better working environment. Helps provide filter box and respiratory protection as well as extend the lifetime of them.