SJL501 Filter Cotton Cover to Fix 5N11 Filter Cotton Transparent Plastic with 6000 Series Cartridges NO Mask for Painting

Item include
filter cover*10/20pcs(5/10pairs)

NOTE: NO MASK INCLUDED!  filter 501 can be cmpatible with 3M and other masks;

the cover can not use seperately, fix it with filter 5n11 and cartridge or adapter 603;