Always striving toward excellence, Poolking has developed to be a market-driven and customer-oriented enterprise. We focus on strengthening the capabilities of scientific research and completing service businesses. We have set up a customer service department to better provide customers with prompt services including order tracking notice. above ground filter and pump If you are interested in our new product above ground filter and pump and others, welcome you to contact us.The law of heat conduction theory has been adopted in the developing of Poolking . It's specially made to allow the heat to be transferred from the higher temperature region to the lower temperature region.