The CleanCook stove also comes with one burner. The canister is exactly the same, still holding 1.2 liters and cooking for 4.5 hours—enough to satisfy a typical family’s cooking needs for one day. The CleanCook stove also comes with one burner. The canister is exactly the same, still holding 1.2 liters and cooking for 4.5 hours—enough to satisfy a typical family’s cooking needs for one day.