Maxisafe Maxiguard ABEK Gas Filter Cartridge R703-ABEK1 (Each)Use this filter for protection against toxic dust, lead, asbestos and organic vapors, welding fumes and polishing and grinding particles. Lightweight and provides low breathing resistance. Bayonet connector ensures secure locking Low profile, twin filter design Organic gas filter Class A1 Used against vapour from organic substances whose boiling point exceeds +65C (150F) Plastic polypropylene. No metal parts If environment contains both particles and