Beeswift 3M D8059 Secure Click Abek1 Filter Dual FlowThe 3M Secure Click Cartridge A1B1E1K1 D8059 is CE approved to protect against a wide range of gases and vapours, including organic vapours with a boiling point above 65 C, inorganic gases, acid gases, and ammonia. Designed with dual flow technology, it reduces breathing resistance for greater comfort and performance. Key Features: Protects against: Organic vapours (boiling point > 65 C). Inorganic gases. Acid gases. Ammonia. Dual flow cartridge