Description: good quality filter cotton, good quality filter cotton < Sponsored Listing Air inlet cotton Synthetic fiber with gradual density, economical and practical, low initial resistance and high dust holding capacity, flexible, safe and environmentally , easy to use, The products are mainly used for prefiltration and purification syste m s, air inlet cotton is the most common and most widely used filter material to filter dust particles in the atmosphere.
Type: Disposable / Reusable
Function: Coronavirus, Anti-pollution, PM2.5, cold, dust, pollen, allergy
Package: 10pcs/20pcs/50pcs per pack
Certification: CE, FDA, ISO
Min Order: 1000 Pieces