Corrugated Tubing; Outside Diameter 0.828 Inch; Inside Diameter 0.591 Inch; Wall Thickness 0.008/0.01 Inch; Length 26 Foot; Material 304 Stainless Steel (Tube), Polyethylene (Jacket); Material Specification ASTM A240; Pressure Rating 25 PSI; Temperature Rating -40 to -165 Deg F; Weight 3.34 Pound; Application Residential Housing Units and Commercial Structure; Applicable Standard IAPMO, ICC, UL, CSA (Canada and US), NFPA, PHCC, ES, PMG, UPC, ANSI LC 1; Nominal Size 1/2 Inch