3M Versaflo(TM) Air Regulating Valve V-350SR, Schraeder Fitting, no belt, 1/Case

V-350SR air regulating valve is part of a complete supplied air respirator assembly. Use with W-9445 or W-2929SR series airlines. Connect to BT series breathing tubes using adapter V-199. Use with belts TR-325, TR-326 or TR-327.