Description: 100% Brand New Material: activated carbon Shelf life to: In Aug. 2026 Product use: organic gas and vapor protection, such as stupid and homologue, gasoline, acetone, carbon disulfide, ether, etc. Product features: trapezoidal filter cartridge, activated carbon content is more, life is long, good absorption effect; Unique filtering route design, filter box of long service life; Trapezoidal design, after the center of gravity, is not easy to cause the neck fatigue. M6200 must and 3, 7502, 6800, such as gas mask, cannot be used alone. When in use process such as the smell of poisonous gas in a timely manner, please replace the new filter box Items include: 4x 6001CN Cartridge (Organic Vapor,Painting Protective) or 2x 6001CN Cartridge (Organic Vapor,Painting Protective) 10x 5N11 Cotton Filters