2pc Sport Mask with Exhalation Valves, Carbon Reusable with 4 Filters

Made of high-quality cotton and nylon material, breathable and comfortable. Combining human engineering with human face design, wearing firmly and protecting better. Dust masks are suitable for various outdoor activities where dust may be present. For example: mountain biking, running, horse riding, snowboarding, climbing, etc. Can be washed and reused. With 4 x Activated Carbon Filters cotton Comprehensive Protection: This air filtration mask is designed for comfortable protection against non-toxic dust, pollen, fumes, common airborne irritants and other non oil based particles. Comfortable: Being resiliently stretchable it allows the masks to conform easily to varying facial features,sealing around the face,thus a good seal and a comfortable fit. Adjustable & Replaceable: Designed with adjustable hook and loop strap, which is friendly to adjust suitable size to fit most people for snugly fit. The activated carbon filter is replaceable after time of usage. Two valves design act as blockers to the air, which help to achieve the effects of high altitude&low air concentration condition. This will increase the efficiency of your lung capacity training to some extent. Widely Used: The face cover is Excellent in windproof and dustproof performance.It’s usable in all outdoor sports pursuits where high levels of dusts are presents.Urban cycling、Mountain-biking、Running、Horse riding、Snowboarding、Moto-X、Skiing、Speed walking、Climbing.