Minipower Pack Standard "UPW-STD" ports by P-T 1/4 "G - Motor 12V DC - 1800W with relay and thermal protection - Pump 0P0, 5cc - Check Valve - Pressure relief valve adjustable -pressure switch ready port 1/8" G - plate tank 2 lt. painted - Central support - Horizontal mounting "OR" - Headset motor protection