【Premium Material】The large manual hand pump is made of high quality PE material, which is tasteless and unstimulated. Oil resistance, high temperature resistance and corrosion resistance make the pump faster 【Strong sealing】 The hand oil pump has fine workmanship and strong sealing. Each connection uses special strengthening technology 【Wide Application】 It can be slightly acid-base - Liquid resistant, used to extract gasoline, diesel, oil, water and d other common liquids. It can also be used as a water changer for your home aquarium. 【Custom design】Strong practicality, the liquid outlet pipe can be bent freely, the pressing ball is soft, convenient and effortless, large flow and large size