3M Speedglas breathing tube for powered air respirator in welding helmets
Part# SG-40W
Replacement self-adjusting breathing tube for 3M Adflo PAPR when used with the 3M Speedglas Welding Helmet 9100-MP, 9100 FX-Air or 9100-Air. .
The breathing tube helps connect the welding helmet to the turbo unit.