Corrosion-resistant plastic parts. Equipped with Viton® seals and O-rings for use with acidic liquids and solutions that contain oil or harsh solvents. Sealed pump system to prevent aggressive liquids from causing any mechanical damage and to contribute to a long service life. Light and sturdy, translucent tank with easily visible fill volume graduation marks and large opening. Smooth, sealed pump with large pump handle for quick and efficient pressurization to maximum 45 psi. Pressure relief valve automatically releases pressure at 45 psi. Valve can be operated manually to release pressure. Large ergonomically-shaped handle.