The Blackstone Propane Adapter Hose with Regulator allows you to switch from a one-pound propane canister to a 20-pound propane tank. With a length of up to three feet, you'll be able to easily set up your propane tanks so it's out of the way. This Blackstone Propane Adapter Hose with Regulator is compatible to be used with the Blackston 17-inch and 22-inch tabletop griddles as well as the griddle charcoal grill combo.