No need for irrigation, with self-priming ability When pumping mud and impurities, there is minimal wear on the pump No lubrication required, even when idling, it will not affect the pump No need for electricity, no sparks generated after grounding, safe to use in flammable and explosive environments Simple structure, few vulnerable parts, and low maintenance costs in the later stage Welcome and I wish you a happy life, my friend., Manufacturer: DCDCD