3M™ BT-20S Beathing Tube stocking-policy-Obsolete providing an extra layer of

providing an extra layer of protection for the welding lens against spark and welding spatter

For further safeguarding

dissimilar joints

Soft foam helps provide low pressure inside the ear canal

this visor meets ANSI Z87

3M™ BT-20S Beathing Tube stocking-policy-Obsolete providing an extra layer of3M BT 20S Beathing Tube The 3M BT 20S Breath Tube is a short, light weight option for use with all 3M Versaflo Headtops and Air Delivery Units. It forms a reliable connection from air source to headtop and enables effortless one handed connection and release. Unrestricted air flow ensures clean air reaches the headtop. To aid with cleaning and decontamination, a disposable breathing tube cover is available. Short, lightweight breathing tube Compatible