Swirl Ring Compatible with Series Spectrum 375 Spectrum 375 X-TREME Compatible with Model 903871 903891 907303 907339 907529 907532 For Plasma Cutter Model 249949 255685 For Plasma Cutter Series XT30 XT30C Compatible with Brand Miller Welding Processes Plasma Cutting Compatible with Manufacturer Part Number XT30 XT40 Torch For Plasma Torch Type Handheld