The Home-Flex 3/4 in. FIP x 3/4 in. FIP x 12 in. L Stainless Steel Corrugated Water Connector is designed for use in residential and commercial applications for water heater hookups. It is more flexible when compared copper corrugated products, due to its kink-free installation. Engineered of flexible lead free stainless steel, attached end fittings and built-in dielectric sleeves, it is the ideal choice for both homeowners and contractors. Extremely durable corrugated stainless-steel construction Built in dielectric sleeves negates the need for a separate dielectric union Easily adapts to water heaters with standard male pipe threads IAPMO certified.