- Features a flexible helix that adjusts to the appropriate length for the individual wearer.
The 3M™ Versaflo™ BT-30 Breathing Tube connects any Versaflo Headtop to any Versaflo air source. It features a flexible helix that adjusts to the appropriate length for the individual wearer.

3M 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box 
