THE METRAFLEX CO   |   250 HIGH TEMP   |   Agent Locator   |   AIR VENTS   |   Anti-Sag   |   BUTTERFLY CHECK   |   CABLESPHERES   |   CHECK VALVES   |   COPPER PIPE   |   CRV Flex   |   DOUBLE DISK CHECK   |   ELASTO FLEX   |   Espaol   |   EXHAUST EXPANSION JOINT   |   EXTERNALLY PRESSURIZED   |   FITTINGS   |   FLEXIBLE METAL HOSE   |   FM APPROVED WAFER SILENT...   |   GAS SERVICE LOOPS   |   GLIDE RISER GUIDES