... oil can be fully into the below oil tank, so easily drain oil.Engine lid:Ensure oil ... more environmental protection, more healthy. 3.Special design large smoking motor, match with aerodynamics bellows, without any ... more longer life, ensure use 10 years. 5.Large storage design, hold much oil, less oil, ... no oil cup, save time. 6.Large area oil-smoke discharge device, convenient cleaning, only ...