Heating Nozzle, Compatible Fuel Type Natural Gas, Propane, Propylene, Compatible Torch Series HD 310C, Tip Series 55, Tip Size 20, 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 1, 150 cfh, Minimum Fuel Pressure Rating 30 psig (Acetylene), Minimum Oxygen Flow Rate 900 cfh. This item has been restricted from sale in the following state (s): []