Comparison : Item # 101, 200 psig Pressure Oxygen "Y" Connection
Item # 102, 200 psig Pressure Acetylene "Y" Connection
Item # 401, 200 psig Pressure Inert Gas "Y" Connection
Item # 402, 200 psig Pressure Water and Industrial Air “Y” Connection
Item # 111-5, 1/4 Inch (in) Inlet National Pipe Thread (NPT) Short "Y" Connection