Product Description Specifications: Color: Black Material: engineering plastics Product size: 126 x 63 mm Pump rod: 6.35 mm à grave; hexagonal rod Water inlet / outlet Inner diameter: 16 mm Water inlet / outlet Outside diameter: 19 mm Operating temperature: 5 ° C-49 ° C Mount: For electric drill Package including 1 x Borehole Pump 2 x Hose Clamps 2 x bracket 2 x screws 1 x English user manual Size for borehole pump: ATTENTION: 1. To achieve optimum priming and long life, apply a small amount of lubricating oil to the pump inlet before use and flush thoroughly. water after each use. 2. Make sure the inlet hose is tight and as short as possible. The inlet pipe should not exceed 9 feet (2.75m). 3. When pumping abrasive fluids or liquids containing solids, please attach a strainer to the inlet to prolong the life of the pump. 4. It is recommended to mount the pump on a surface for safety reasons; and ease of use. 5. Mount and start the drill. Watch the inlet tubing to make sure fluid is