Bestway Pool Pump Sand Filter 800GPH 3028L/H Pools Flowclear FiltersSand filters are the ultimate in above ground pool filtration as they require less maintenance than a cartridge based filter system. By using sand to filter out debris, dirt and leaves from the pool, the Flowclear Sand Filter saves you money by removing the need to clean and replace filter cartridges. It also helps to reduce waste in the long run. The Flowclear Sand Filter is perfect for small to medium sized pools (1,100 to 16,000 litres volume) and