Features Excellent fabric: these filter elements are made of durable polyester fabric paper and non-woven fabric, which is easy to clean and has a good filtering effect. Wide application: these replacement filter cartridges have a reasonable size and are widely used in water pump pools, swimming pools and spa pools, etc. MULTIPLE USES This pump filter provides clean water, helps remove pool buildup and dirt, effectively removes hair, leaves, dust, sediment, sand and more. Easy to use: scrub with the cartridge cleaning tool, then wash under strong water pressure to remove loose particles from the filter fabric, easy to use. 6 pieces in 1 set: includes 6 water pump filter elements, sufficient in quantity, easy to use and replace. It is recommended to replace every two weeks. Specification: Item type: filter cartridge. Product size: approx. 90 x 30 x 100 mm / 3.5 x 1.2 x 3.9 inches. Material: polyurethane, non-woven fabric. Applicable scenarios: water pump pools, swimming pools, spa pools Package list: 6 x filter cartridges. Small note: The filter cartridge should be replaced every 2 weeks. Package List 6 x Filter Cartridge