The Pro-Flex PFCT-34150 Corrugated Stainless Steel Tubing (CSST) is a 3/4 inch inner diameter gas line supplied in a 150-foot spool. Constructed from 304 stainless steel, it features a yellow polyethylene jacket that provides UV resistance and aids in identification as a gas line. This flexible tubing is designed for the distribution of natural gas and propane in residential, commercial, and industrial applications, offering an installation alternative to rigid gas piping systems. It is rated for a maximum operating pressure of 5 PSI and an operating temperature range of -20°F to 200°F (-28°C to 93°C), with a minimum bending radius of 3 inches. The product complies with the National Fuel Gas Code, IAPMO (UPC & UMC), ICC Code Series, and standards ANSI/LC1 and CSA 6.26. Electrical bonding is required per NFPA 54 Section 7.13. Direct burial or embedding in concrete requires installation within a non-metallic, watertight cond