OTC Tools OTC 1577 Low Profile Automotive Fluid Receiver Tank. OTC Tools. Designed for receiving waste fluid during a wide range of repair jobs. Fluid capacity: 7.5 gallons. Constructed of polyethylene plastic for heavy-duty useyet, only weighs 13 pounds. Low profile, only 5" high, it easily slides under passenger cars. Designed with four casters to provide efficient maneuverability. Suitable for cooling system repair jobscan be used for antifreeze. Includes splash screen to prevent spillage and splashing. Two-year warranty. Email for product availability.