It is a single-acting pump for power up and gravity down. The relief valve ensures safer operation.
4H850/4H110 PUMP Universal-220V Katool Auto Lift Pump 4-post Pump for Car Lift
12V Electric Fuel Pump Universal Low Pressure Transfer Inline Fuel Pump for Moto
100W Complete Oil Extractor Pump Universal For Vehicles Cars Trucks Boats#
New 100W Complete Oil Extractor Pump Universal Fit Cars Trucks Boats Vehicles
New 100W Electric Oil Extractor Pump Universal For Boats Cars Trucks Vehicles
New 100W Complete Oil Extractor Pump Universal For Vehicles Cars Trucks Boats