Buy it NOW...!!!!
CUT YOUR MASK COSTS DOWN TO $1/WEEK
XXXXXDisposable masks can cost you a DOLLAR A DAY!!!XXXX
10 pcs mask filters; suggest replace the filter every WEEK of use for the best effect
This is $10 for 10 weeks!!!
Five layers of PM2.5 air mask filtering
Dust mask replacement filter material: Non-woven, Active Charcoal cloth.Compatible with majority of Dust Masks available in the marker
Filter Size:12.5x8cm/4.92''x3.15'' Suit for majority of mouth mask inside with filter slot.