Universal Conversion: Set of 5 universal gas injectors for converting various LPG cylinders (propane/butane) with flow rates between 0.5 and 1.02 kg/h. Easy Installation: Quick and tool-free replacement of old injectors, allowing the use of LPG cylinders of different brands. Flow Rate Range: Our butane gas injectors are available in four models, e.g., 0.5/0.7/0.7/0.87/1.02. These nozzles all have the same thread size but different hole diameters. Our gas burner meets your needs and you can use it as you wish. High-quality materials: Made of corrosion-resistant brass and stainless steel for a long service life. Safe use: All gas-related work must be performed by a licensed gas safety technician. Our butane gas burners can be used as long as the model fits the conversion connection of the gas appliance. It's like converting to natural gas in your kitchen.