Breathing hoses for 3M Powered Breathing Systems and Air Supply Systems are part of a CE-approved breathing system
3M Breathing Hoses for Engine Driven Systems and Air Supply Systems connect the air source to the headgear, ensuring that clean air reaches the headgear reliably and without restriction. 3M Breathing Hoses for Engine Driven Systems and Air Supply Systems are compatible with certain 3M Respiratory Head Hoods and Air Supply Units.