Blackstone Propane Tank Adapter Hose with Regulator - The 3-foot Propane Adapter Hose with Regulator allows you to switch from a 1 pound propane bottle to a bulk (20 pound) propane tank. 3-Feet in length Propane adapter hose comes with regulator, so no need to buy additional parts Hose connects 1-pound propane griddles to bulk (20-pound) propane tanks Weather-proof construction Heavy-duty connectors and rubber ensure excellent durability The Blackstone 3-Foot Propane Adapter Hose is compatible with Blackstone 17 -Inch Griddles, 22 -Inch Griddles, and the Blackstone Griddle and Charcoal Grill Combo.