Convenient manual pump operation. Integrated 1.9 gallon capacity reservoir. Large base with foot stabilizer. Durable, chemical resistant polyethylene construction. Automatic overflow protection Quick-drain pour spout. Vacuum is created quickly and efficiently by manual pump operation, offering superior mobility by eliminating the need for electricity or compressed air. The 7400 is ideal for draining fluids from reservoir on boats, RVs, ATVs, snowmobiles, farm equipment or motorcycles. Includes accessories for draining engine oil or transmission fluid directly through the dipstick tubes.