XG-CSN1 XcelGas Argon-Oxy Regulator Cylinder Stem & Nut
XG-CSN2 XcelGas Acetylene Regulator Cylinder Stem & Nut
XG-CSN3 XcelGas LPG Regulator Cylinder Stem & Nut
XG-CSN4 XcelGas Co2 Regulator Cylinder Stem & Nut