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" and 22" Griddles and Griddle Charcoal Grill Combo | Tabletop Propane Tank 3' Adapter Hose with Regulator in Charcoal