The Bestway 2500gal Filter Pump is perfect for helping to keep your pool water clear, hygienic & clean in the warmer months, enabling a continuous flow of clean water. Compatible for pools up to 57, 500L, you can use the Bestway 2500gal Filter Pump on Frame & Fast Set Pools. Using a filter cartridge to help capture dirt & debris means that the Bestway 2500gal Filter Pump keeps clean & hygienic water in your swimming pool. Included with this filter are 2 hoses that are attached to two different points on the pool. One end of the hose is connected to the inlet point & the other end is attached the outlet point. Water is then cleaned using the filter cartridge in the Bestway 2500gal Filter Pump before being pumped out of the outlet hose back into the pool. This process is then repeated ensuring constant clear & hygienic pool water. Complete with a 4.2in x 8in Filter Cartridge & both hoses, you can start using this Bestway 2500gal Filter Pump straightaway. It is recommended that in the warmer months when you will be using your pool on a daily basis that you change the filter cartridge at least every two weeks. Contents: One filter pump & one set of adaptors