Product Details: The Bendix DV-2® Series Air Brake Reservoir Drain Valve is designed to be side mounted and has a supply port on the top and a adapter on the side. The valve helps to maintain optimal performance by removing excess moisture and debris from the air brake reservoir. It is designed to make maintenance of the system easier and helps to increase efficiency and reduce energy costs. The valve is made of durable materials that are resistant to corrosion and wear. FleetPride is your First Click in Heavy Duty®.