【Material】-The electric borehole water pump is made of ABS and alloy. Has high hardness and good sealing. Please wipe with lubricating oil before each use and rinse with clean water after use. When pumping abrasives and liquids containing solids, it is necessary to install a filter in the inlet pipe for a longer service life. [High Performance] - The operating temperature of the fuel pump is between 5 and 49 degrees. The flow rate of the oil pump at 1500 rpm is 15L per minute, and the flow rate of the oil pump at 3000 rpm is 30L per minute. Note: The recommended speed is between 1500 and 3500. Before use, make sure that the pipe at the inlet of the oil pump port is sealed and the length of the pipe should not exceed 2.75 meters (9 feet). [Application] - Our product is powered by an electric drill. After starting, check whether a certain liquid in the water supply pipe is sucked in within 15-20 seconds. Otherwise, you need to check whether the oil inlet pipe is correctly installed on