Exact Sizing & BTU Capacity: True-to-size CSST gas line designed for exact compatibility. The 1/2 csst gas line (0.625" ID) handles up to 65K BTU, perfect for outdoor grills and fire pits. The 3/4 csst gas line (0.875" ID) delivers up to 150K BTU for whole-home systems. Precision matches existing fittings to prevent leaks

Cut-to-Fit & DIY Video Guide: Available in 37ft, 70ft, and 102ft lengths. This flexible gas line can be easily cut to your exact routing needs. Watch our step-by-step DIY video on the product page to see how easily you can cut the flex gas line with a tubing cutter and re-attach the brass ends in minutes

Includes 2 Brass NPT Connectors: Every flexible gas line [Fitting] inch comes with 2 pre-attached, solid brass NPT male quick-connect adapters. Need more connections? You can freely cut the gas flex line and buy additional brass fittings to create multiple custom runs for different appliances

Underground & Outdoor Ready: Wrapped in a thick, durable yellow PE jacket, this underground gas line is rated for extreme temperatures from -40°F to 400°F. Bury it for permanent pool heaters, run it to patio fire pits, or use it as a reliable propane gas line for RV and mobile home upgrades without corrosion

50% Faster Installation vs Rigid Pipe: Ditch the heavy black iron pipe. This bendable flex gas line [Fitting] snakes effortlessly through attics, tight joists, and existing walls without major drywall demolition. Homeowners and contractors report this csst gas line cuts labor time by up to 70%

Professional Grade & Code Compliant: Engineered with an upgraded 0.012" thick 304 stainless steel core, avoiding the pitfalls of thin 0.008" imports. This csst gas line [Fitting] is ASTM B280 certified and 15 PSI pressure-tested, meeting the strict standards demanded by licensed plumbers and HVAC contractors

Superior Earthquake Resistance: Unlike rigid pipes that crack under stress, our corrugated stainless steel tubing flexes and absorbs movement. It is the ultimate underground gas line choice for new construction builders and multi-family housing developers in seismic zones requiring maximum safety

Dual-Fuel: Natural Gas & Propane: Whether you are converting a commercial kitchen, hooking up a food truck, or setting up an outdoor kitchen, this versatile propane gas line and natural gas hose handles it all. Seamlessly powers water heaters, garage workshop heaters, and backyard BBQs

Required Tools for Setup: Installation is straightforward. DIYers only need a tape measure, adjustable wrenches, and pipe thread sealant tape. For professional cuts on this flex gas line, a dedicated tubing cutter is recommended. Always use soapy water or a pressure gauge to test before use

Trusted by Pros & DIYers: With a 97% customer satisfaction rate, this gas flex line [Fitting] is the top choice for fire protection installers and DIY warriors alike. Say goodbye to multiple leak points and stiff joints. Experience permanent, kink-free gas routing for all your residential and commercial needs