Heating Tip Compatible Fuel Type Natural Gas Propane Compatible Torch Series 43-2 K-43 V-315C Tip Series 2290-H Tip Size 4 Compatible Manufacturer Harris Application Heating Compatible Tip Mixer Manufacturer Model Number E3-43 F-43 V-W-3 Compatible Tip Tube Manufacturer Model Number 2393 Compatible Torch Manufacturer Part Number 43-2 K-43-1 K-43-2 K-43-3 K-43-4 V-315C Flame Type High Heat Material Tellurium Copper Maximum Oxygen Flow Rate 1 300 cfh