The total length of the gas connector including hose and fittings is 24in.The Safety Quik valve employs a number of safety measurements while acting as a convenient quick disconnect fitting. When opened to allow gas flow the hose cannot be disconnected until the valve is turned off. 1650BPCF24 Safety Quik 24in Gas Connector Kit with Elbow - 1/2in Diameter Make sure your gas appliances are hooked up safely with the Dormont 1650BPCF24 Safety Quik gas connector kit! The valve also has an internal thermal shutoff feature to protect against dangerous temperatures near the gas supply.
They are sold in sets of 1, 4 and 12, and come in Dynamic (with tubing and connectors for realistic blood flow -- syringe not included, but available here) and Non-Dynamic models.