Anti-clogging and scouring: It has a flushing effect on the water outlet during work, and impurities will not accumulate in the drainage outlet, keeping the drainage pipe unblocked. Improve drainage smoothness: Compared with natural drainage, the drainage pump makes the water in the water pipe have power and is in a flowing state, which is not easy for dirt to be deposited, reduces the risk of blockage, and ensures the long-term stable operation of the drainage system. Increase installation flexibility: There are no strict requirements for the water level difference and installation height during installation, and the installer can flexibly choose the installation location according to the actual situation, which solves the elevation problem in architectural design and engineering installation. Self-priming Water Pump DC12V Mini Silent Diaphragm Pump Low Noise Air-conditioning Drainage Pumps, Weight: 0.110231131 Pounds, Manufacturer: GENTERUN