Activated Carbon Filter Set for Dust Masks - 10 filters + 4 Valves
Airnex
✔ 10 x Activated Carbon PM 2.5 filters + 4 one-way exhaust valves
✔ Replaceable activated carbon filters helps to block dust, pollen, smoke, Volatile Organic Compounds (VOC), mold spores, smog and other airborne contaminants
✔ Compatible with Airnex Neoprene Dust Mask and majority of other dust masks available in the market
✔ Purchase with peace of mind: if the filters do not fit your mask you can return the item and receive 100% refund.