Description: 【Comfortable To Wear】- The face cover is made of food-grade silicone material, and the elastic silicone perfectly fits the facial skin for a firm seal. The soft silicone will not make you feel uncomfortable. Headband can be adjusted. 【Low Face Cover Resistance】- The flow piston in front of the face cover can effectively reduce heat and moisture to promote breathing, and reduce the risk of user fatigue. 【Design】- Both sides of the filter box can effectively filter particles, greater than 99.95%, and the filter box can be removed and replaced. Half face-piece face cover, lightweight, balanced design, compatible with welding and sanding protection. .