US Warehouse - FREE FAST Shipping in USA Product Description: This Non-whistle corrugated flex gas line is designed for indoor and outdoor use with gas ranges and furnaces. Naturally corrosion-resistant to increase flexibility quality flared end fittings to prevent liquid leakage. Provides extra corrosion protection from accidental contact with common household chemicals. This Non-whistle corrugated flex gas line connector can be used for fire pit and fire pit pan. Specifics: Easy to installation and use, highly durable, Corrugated flexible flex gas line with feature of high temperature resistance 1/2" OD x 3/8" ID 12 inches gas line, stainless steel pipe in black coating with fittings 1/2" Female Flare x 1/2" Female Flare fitting end, we've included a 1/2" Male Flare x 1/2" Female NPT fitting and a 1/2" Male Flare x 1/2" Male NPT fitting for your convenience CSA certified, fit for NG or LP fireplaces and 100K BTU with a 1/2" Connection Hub fire pit and fireplace burners There is a staggered pitch every 2" to Eliminate Whistling Thank You for Shopping!