CAMMILE Activated Carbon Filters Replacements Parts Set of 20 Fit for Most Sports Cycling Masks (Grey)

Must-have essentials to fresh the air of your breathing, length the lifetime of your washable masks. CAMMILE Active carbon filters only for use with your Mesh/Neoprene Mask, to solate of non-toxic dust, pollen, fumes, common airborne irritants and other non oil based particles. 5 Layers of Filter Protection:2 ply Non-woven Fabric, 1 ply Active carbon Fabric, 1ply Meltblown Fabric, 1 ply Hot Air Cotton. Features: — Breathable, High Quality Material. — Filters’s design can be replaced, protects you for the best health outdoor. –One Size Fits Most. — Double air valve design, help you breath easier and freely when outside. We recommend to replace the mask filters 1-2 times week, Normally 2-3 days if used frequently. Package:20 Pcs Active Carbon Filters ( Not Include Mask & Exhaust Valves). Filters Size:14.3cm (Hight) x 9.8cm (Wide)