Propane Quick Disconnect Fittings, 1/4 RV Propane Quick Connect Adapter, LP or Natural Gas Shutoff Valves and Fittings for Low Pressure System, 100% Solid Brass Consumer Note: It is recommended for the installation to be performed by a qualified person or licensed contractor, plumber, or gas-fitter technician. Use pipe thread sealant between all connectors for proper seal and leak test all connections prior to use as a safety measure. Not intended for Potable Drinking Water Use or Human Consumption Applications