3mm thick blue non-woven fabric needle punched felt primary filter cotton

custom G1 G2 G3 G4 perfect primary coarse pleated air filter

US $5 / pc

Min. Order: 1 pc

YL-NJ-G3 Hot selling new item Non-adhesive type fluffy Surface waterproof treat

Primary air filter mini air cleaner dust filter mesh

US $21 / pc

Min. Order: 50 pc

Primary efficiency filter

Primary Efficiency Pocket Filter

washable primary air filter-plate type