UTRIPSUNEW PM2.5 Activated Carbon Filter Replaceable 5 Layers Protective Filters Insert for Cotton Face Mask (10 Pieces)

• UPC   712396485025
• Made of 5 Layer Activated Carbon Filer, Non Woven + Melt Blown Cotton + Activated Carbon. Package Include 5 packs (10 pieces) Activated Carbon Filter for replacement. Filter size approx. 12.1 x 8 cm/ 4.76 x 3.15 inches. Compatible with most adult masks, easy to insert or replace the original one with no problem. Face Mask Filters Reduce dust, pollution, pollen, smog, vehicle exhaust, sandy air, passive smoking. UTRIPSUNEW filter is suggested to replace once a week for the best effect.