With the 42" stainless steel hose adapter you can grill all night on your portable grill. Just screw one end onto the regulator then screw the other end into the tank. High quality stainless steel flex hose for longevity. A standard disposable cylinder will give you just under 2 hours of quality cooking time per tank. With the adapter and a 20 lb. tank, you'll get over 20 hours of hot grilling on a 20K BTU grill.