Pro-Flex Termination with Fitting, 1/2 In. is a device specifically designed for use in CSST gas piping systems. It serves as a secure and leak-proof connection point at the end of a CSST gas line. Compatible with 1/2 inch diameter tubing, this fitting provides a rigid mount for terminating Pro-Flex CSST lines at appliances. Constructed from durable and corrosion-resistant materials, it ensures long-lasting performance and reliability in gas piping installations. Model Number: PFST-12C