MPN PH12SS38. Model PH12SS38. Whistle Free Stainless Steel Non Magnetic NG/ LP Compatible Hose with BRASS 3/8 Female Flared Ends. EasyFirePits com Super High-Quality Marine-Grade Fire Pit/ Table/ Feature Professional Installer Grade Stainless Whistle-Free (non-whislte) Brass Ended Hoses.
eBay