PM2.5 Activated Carbon Filter Replaceable 5 Layers Protective Filters Insert for Cotton Face Mask (10 Pieces) AERIPULSE After entering the quick setting

After entering the quick setting interface

and there are precise grid lines on the back for easy measuring and cutting

suitable for long-term use without worrying about fading or scratching

quality steel material features high hardness

PM2.5 Activated Carbon Filter Replaceable 5 Layers Protective Filters Insert for Cotton Face Mask (10 Pieces) AERIPULSE After entering the quick settingAbout this item 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