This mask completely equivalent to 3M 6800 comprehensive protection function, can used 3M filter cotton, high quality products, low prices, very popular! A large number of procurement, has a surprise discount! Full Facepiece Respirator Large lens for wide field of view Lightweight, balanced design Silicone faceseal for greater comfort and durability. 1× Face Mask 2× 501 Filter cover 2× 6001 CN Cartridge 10× 5N11 Cotton filter. We are always here to help. And all messages will be replied within 24 hours except weekends or American holidays. In case of you re not happy with our products or service, please just contact with no any hesitete, and us side would do our best to service for you to satisfatory always.