Gas Diffuser Compatible with Brand Miller Series AccuLock MDX Gas Diffuser Number D-M250 Compatible with Series MDX-250 MDX-250 EZ-Select Compatible with Model 1770035 1770036 1770037 1770038 1770047 Maximum Current 250 A Connection Type Threaded For Contact Tip Series AccuLock MDX For Nozzle Series AccuLock MDX Welding Processes Flux-Cored Welding (FCAW) MIG Welding (GMAW) Connection Thread Type Threaded