Napoleon quality and performance go into each grill head. The Napoleon BILEX730RBI Built-in Gas Grill Head comes with the highest standard components, featuring our heavy duty stainless steel cooking system, ergonomic control knobs, LIFT EASE™ Roll Top lid, and rear rotisserie burner for restaurant style results. Built In Propane gas hook up: Do not use a hose to connect to the unit. It must be connected with rigid pipe, copper tube or an approved flexible metal connector which complies with Z21.4 / CSA 6.10. Do not place Propane cylinder tank directly under grill head or near the appliance.