The Blackstone 3' Propane Adapter Hose with Regulator allows you to switch from a 1-lb. propane bottle to a bulk 20-lb. propane tank. The connector is specifically designed to work with the Blackstone 17" and 22" Tabletop Griddles and the Griddle Charcoal Grill Combo.• 3' in length• Includes regulator• Connects 1-lb. propane bottle to bulk 20-lb. propane tank• Weatherproof construction• Compatible with Blackstone 17" and 22" Griddles and the Griddle Charcoal Grill Combo Weatherproof construction Compatible with Blackstone 17"" & 22"" Griddles & Griddle Charcoal Grill Combo | Blackstone Tabletop Propane Tank 3' Adapter Hose with Regulator in Charcoal