Home-Flex 3/8 In. Mip X 1/2 In. Fip Gas Valve X 1 Ft. Stainless Steel Heater Connector HOME-FLEX heater connectors can be used to connect gas furnaces and similar demand appliances Constructed from high quality 304 stainless steel with zinc plated steel tube nuts Assembled connector is 12 in. long Gas valve included Approved for use with natural gas or liquid propane. Certified CSA compliant and meets ANSI specification