Comfortable Material? Our gas mask is made of food-grade elastic silicone, elastic tape perfectly fits your face for a firm seal. The soft silicone gasket does not make your facial skin feel uncomfortable. ? Adjustable and Safe and Effective? Gas masks can adjust the appropriate size according to the size of the head. Face cover size: 14cm20cm (5.5 “7.87 “) is suitable for most people. The large view face screen of the respirator mask is designed with anti-fog, anti-scratch, and impact resistance, so you can clearly see the surrounding environment. ? 40mm Super Efficiency Filter? When used in conjunction with the included 40mm activated carbon filter or P-A-1 filter cartridge, the gas mask demonstrates exceptional filtration performance. Effectively filter various substances, such as organic gases, vapors, formaldehyde, benzene and its homologs, particulate matter, and more, providing. 40mm activated carbon filter provides strong filtration. ? Compatible with Various Filters? The connection port of the 6800 full-face cover respirator mask is universal. It is not only suitable for P-A-1, 2091, 2097 series particle filters but also 6001, 6002 series filters, etc. Therefore, there is no need to worry about replacing the filter in the future. The respirator body can be reused after cleaning. ? Widely Applicable? Our respirator mask is suitable for industrial, laboratory, Chemical operations, emergencies, painting, welding, machining, woodworking, agricultural, spraying, and construction, etc. Its versatility makes it an ideal choice for different industries and environments.