- 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 14593, Scotch-Brite Cut and Polish Disc, 3" x 1-1/4" x 1/4" A Medium, D5, 7000045941, Box of 10
3M™ 37018, Supplied Air Respirator Vortex Cooling Assembly V-100/37018(AAD), 70070799013, 1 EA/Case 
