Flexible Corrugated Water Heater Connector: connector corrugated stainless steel features,more flexible and no kinking.Fits snugly, no leaks. and cold color coded,red for water and blue for cold water. end connections that prevent any disconnects and leaks for many seasons. DESIGN: This 24-inch water heater hose is equipped with 1/2 inch FIP x 1/2 inch FIP connection and features 304 stainless steel end connections and nuts for a tight connection. : Flexible water line is made with corrugated stainless steel and PE protective layer that protects against and provides structural support to prevent cracking, crushing, and kinking.seamless welding of stainless steel flanges to prevent water leakage. SPECS: This water-flex connector is designed with a working pressure of 150 PSI with an intermittent impulse pressure of 250 PSI and has a working temperature range of 40 degrees F to 180 degrees F; features an EPDM washer gasket. Extensive Use:,boilers,water softeners, systems. Color: Blue & Red Material: Stainless Steel Package Contents: 2 x Water Heater Connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.