9463L/2500gal Filter PumpThe Bestway 9,463 L Filter Pump is a great way for above ground pool owners to keep their pool water sparkling over the summer. This pump cleans the water by circulating water out of the pool, through a filter and back again. The 9,463 L filter pump is recommended for use with 1,100 62,000 L (300 16,400 gal.) above ground pools and is compatible with Type IV B filter cartridges. It's recommended to clean or replace your filter cartridge every 2 weeks