Description Color: silver Material: stainless steel Size: 24″ Package Includes: 1pc * gas flex line, 2pcs * fittings Note: – Please refer to the measurement. Tiny measuring error is allowable in normal range. – There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item. Whistle Free Bellow Design: Our 1/2″OD x 3/8″ ID gas flex line adopts a silent multi-pattern corrugation design, with a staggered pitch every 2 inches, effectively eliminating the vibrations causing whistling. Please make sure there are no major bends or kinks in the line and correct gas pressure is used, otherwise there will be whistling. Hard and Flexible Stainless Steel Pipe: Forged from stainless steel with high strength and hardness, the pipe is hard enough but easy to bend, showing excellent flexibility and plasticity, which can be bent into different shapes according to actual requirements. High-safety Gas Fittings: This stainless steel gas flex line can withstand high combustion temperatures and has excellent sealing performance, which is truly explosion-proof and leak-proof, greatly improving gas efficiency while maintaining to be safe for use. 1/2″ Male NPT x 1/2″ Female NPT Fittings: With a 1/2″ nut on both sides, the gas flex line comes with 1/2″ male NPT x 1/2″ female NPT fittings. It is easy to install—just fasten the two fittings on both sides and then connect them to the connectors of the fire feature. Suitable for Various Fire Features: The high-capacity flow gas flex line measures 24 inches in length, suitable for natural gas and propane, and can be widely used for fire pits, grills, gas log sets, fireplaces, water heaters, gas stoves, and many other fire features.