10ft Propane Hose with Regulator for Blackstone 28''/36'' Griddle, Propane Fire Pit, Gas Grill and More, 3/8 Inch Female Flare, Low Pressure - Walmart.com
5' Hose/Regulator Compatible with Blackstone® 17"/22" Griddles - propanegear
US Propane Regulator Hose Adapter for Blackstone 17"/22" Griddle Tabletop Camper | eBay