Protect yourself with comfort and confidence

Product name: Dust-proof Sports Masks with Replaceable N95 Filter Sheet, Dust Respirator Safety Masks, Motorcycle Riding Cycling Masks for Exercise Running Color: As good as photo Gender: Unisex Season: Spring, Summer, Autumn, Winter Suitable for cycling, running, skiing, training, outdoor sports Backup filter: N99 Filter sheet or N95 Filter sheet, select the replacement filter you want Package included: Riding dust mask Mask Filter sheet N95 Please Note: Normally, one filter is expected to be used for up to 30 days. However, it is recommended to change the filter at any time during flu or heavy pollution periods.   Design: Adjustable Velcro and retractable design, big size for US & EU. Respiratory mask's elastic ear hooks prevent dust masks from sliding easily Breathing valve Filter sheet: Double one-way exhaust valve filters air, so it can quickly dissipate heat, water vapor, carbon dioxide and block unfiltered air. The contamination mask also has an adjusta