( 20 )PM2.5 Face Carbon Filter in package 😷

Questions? Leave a comment below! * The carbon filter (PM2.5) traps and filters air molecules larger than or equal to PM2.5. Filters roughly 80% of particles including: pathogens, dust, chemicals, & smoke. * 20 pack filter (no mask included) * Approximately 4.75" x 3.25". * Multi-layer * Disposable * Recommended to change out filter every 40 to 60 hours of use * Replacement filters for masks with valve/pockets or handmade masks