JOHN DOW INDUSTRIES JDI-20EV-B 55 x 21 Steel Tank Fluid Evacuator with Transparent Bowl The JOHN DOW INDUSTRIES JDI-20EV-B is a 20-gallon fluid evacuator designed for the efficient removal of used oil and other non-flammable fluids from vehicles, especially in situations where traditional gravity draining is impractical. With a robust steel tank and a transparent bowl, this fluid evacuator utilizes a venturi vacuum system powered by compressed air for rapid and clean fluid extraction. The JDI-20EV-B serves as an essential tool for automotive repair shops, quick lubes, dealerships, and fleet maintenance operations looking to streamline fluid changes and ensure environmental compliance.