Flextron FTWC-S01-18H 18 Inch Lead Free Corrugated Stainless Steel Tube Connector for Water Heater With 1 Inch FIP & 1 Inch FIP, Durable, Maximized Corrosion Resistance & Performance High-Quality Corrugated Stainless Steel; Flexible for Easier Connection Maximized Corrosion Resistance and Performance Easy & Fast Installation; Wont Crimp or Kink and 100% Leak Tested Built-in Dielectric Sleeves; No Need for Extra Add-On Unions Complies with Lead Free Requirments (NSF 61, AB1953)