Guided by scientific and technological innovation, Poolking always keeps outward-oriented and sticks to the positive development on the basis of technological innovation. above ground pool sand filter and pump We promise that we provide every customer with high-quality products including above ground pool sand filter and pump and comprehensive services. If you want to know more details, we are glad to tell you.Many of our customers praise that the design of the product makes it perfectly fit their device, which maximizes the dissipation effect.