3/4" Female Iron Pipe Inlet x 3/4" Female Iron Pipe Outlet x 12", 0.57" ID, Flexible Braided Polymer Water Heater Connector, Use To Connect Water Supply To Water Heater, Patented Polymer Braided Jacket Specially Engineered To Be Less Abrasive & More Flexible, Bends Freely Without Kinking, Crimping Or Flattening, Making Installation Easier, EPDM Rubber Core Is Non-Conductive Material, Superior Corrosion Resistance Against Harsh Household Cleaning Chemicals, Less Torque To Seal, Longer Connector Nuts With A Greater Number Of Thread To Thread Contact For A Better Sealer To Lined Nipples, Indoor Use & Temperature Rating: 40 Degrees Fahrenheit To 160 Degrees Fahrenheit, Intermittent To 180 Degrees Fahrenheit, 125 PSI Maximum, No Lead Certified, For Use In Potable Water Systems Only.