The PRO-FLEX LLC 1 1/4" ID CSST Tubing x 150' spool is designed for gas distribution systems. This arc-resistant CSST features a durable black jacket, providing enhanced protection against environmental factors. With a 1 1/4" inner diameter, it ensures efficient gas flow, making it suitable for both residential and commercial applications. The 150-foot length offers flexibility in installation, while the arc-resistant properties enhance safety. This tubing meets industry standards for performance and compliance, making it a reliable choice for professionals in the field.