Webstone, a brand of NIBCO 3/4 in. Tankless Water Heater Installation Kit Includes FIP Lead Free Brass Valves and 24 in. Gas Flex Line 54443WPRGST - The Home Depot
GasFlex 3/4" Tubing KIT 66' (20m) Long + Fittings – Perfect for Jacuzzis, Outdoor Fire Pits & BBQ - Excel Online Store
330ft/100m Roll) GasFlex 1/2" Flexible Gas Pipe Tubing Flexible like CSST Tubing - Lightning Safe - Excel Online Store