This compact high-pressure pump features a powerful 4.0 GPM flow rate to blast mud and silt from your anchor, chain, and deck. Waterproof design includes coated motor and sealed pressure switch. Thermal overload protection automatically stops the motor if it overheats. The Par-Max 4 comes with pump guard filter, trigger nozzle, and snap-in ports. Pressure up to 60 psi. Self-priming up to 10'. 12V DC .7 amp draw. Connections for 3/4" or 1/2" ID hose. 8.6"L x 4.2"W x 4.1"H.