- New
660-843 is a Bismar propane extension hose designed for compatible barbecue and camping appliance connections. This 10-foot hose features BOM male and BOM female swivel fittings and a 1/4-inch inside diameter. It can be used to extend a compatible hose connection or connect suitable propane equipment, depending on the installation. Before use, verify the appliance requirements, connector compatibility and operating pressure. Follow the manufacturer's installation instructions and applicable propane safety requirements.