Mini Power Pack Standard "UPW-STD" attacks PT 1/4 "G - Motor 12V DC - 1800W with relay and thermal protection - Pump 1P3,65cc - Relief Valve - Adjustable Maximum pressure Valve - Predisposition for pressure switch 1/8" G - Black painted STEEL tank 10 lt ( Square flange ) - Horizontal mounting "OR" - Headset motor protection.