EZ-Fluid 12″ x 3/4-Inch FIP x 3/4-Inch FIP, Corrugated Flexible Stainless Steel
FIP Female Water Pipes Connection on Both End Fits on All Steel Pipe with NPT Thread. – Corrugated Flexible Stainless Steel Flex Connectors for Hot Water Heaters, Tankless Water Heaters and water softener.