Harris - 742-500-580-C - 742500580C - Argon/Helium/Neon/Nitrogen Regulator LINCOLN - ELECTRIC FUEL PUMP M20393-1 Compatible with MK Products welding Select Your Size:(K2989-M) Medium Medium-to-Heavy Duty automatically halting welding if 9SM22209-4

Compatible with MK Products welding systems requiring a 5002 series extended collet for 45

G6966 identifies the Lincoln OEM part

Harris Stainless Steel High Purity Two Stage Cylinder Regulator - Model 742-125-346-E - 742125346E

Compatible with various MK Products welding guns and systems

The VIKING 3250D FGS from Lincoln provides enhancements to each of these elements when compared to a standard welding helmet

Harris 742 500 580 C 742500580C Argon Helium Neon Nitrogen Regulator LINCOLN ELECTRIC FUEL PUMP M20393 1 Compatible with MK Products welding Select Your Size:(K2989 M) Medium Medium to Heavy Duty automatically halting welding if 9SM22209 4 Compatible with MK Products welding systems requiring a 5002 series extended collet for 45 G6966 identifies the Lincoln OEM part