Heating Nozzle, Compatible Fuel Type Natural Gas, Propane, Propylene, Compatible Torch Series HD 310C, Tip Series MFN, Tip Size 12, Tip Design Tube & Head, Compatible Manufacturer Victor, Application Heat Treating, Priming, Straightening, Compatible Torch Grainger Part Number 25DV27, 25DV28, 5KJ44, Compatible Torch Manufacturer Part Number HD 310C, Flame Type Multi-Flame, Maximum Oxygen Flow Rate 640 scfh, Minimum Fuel Pressure Rating 13 psig (Acetylene), Minimum Oxygen Flow Rate 120 scfh. This item has been restricted from sale in the following state (s): []