Reduction adapter from a 7/16'' gas cartridge - G 1/4L threadManufacturer code: U4753 High quality reduction for a gas hose with a 1 4" L thread for connecting devices powered by gas cartridges with a 7 16" valve. The adapter allows you to supply gas from a cylinder instead of a gas cartridge to devices such as gas stoves and heaters, burners, camping stoves, etc. Product Features: high, precise quality of workmanship connectors resistant to external factors enables gas supply to devices designed for gas