MORE DURABLE THAN TRADITIONAL FILTER CARTRIDGES:This is a great replacement for cardboard pool filters. Foam Filter Cartridge good value for money to see over time if the spa let's say the engine does not get dirty. These Foam Pool Filters just had to be cut to size, no problem with a good cutter, and replaced the usual paper pool filters. HIGH QUALITY:Pool Filters Foam pool about 100*200MM (L x W) for Intex Type A. The foam pool filters are made of high quality sponge. As these pool filter cartridges are washable they are economical, this foam filter lasts longer than cartridges and can be cleaned and reused many times. swimming pools. REUSABLE:The Pool Filter Sponge big difference is that the Pool Filter Sponge is much easier to clean. it is still necessary to follow the spa to maintain it, make sure every day not to wait for the Filter Sponge to turn yellow and that it remains in good general condition. Each Foam Pool Filter for Spa can be used for about 2 months. EFFICIENT FILTRATION:The Filter Sponge can be twisted and rubbed without damaging it, Good elasticity, strong tensile force, high filtration rate, Our Foam Filter Cartridge has a high-density mesh structure that can filter a lot of impurities in the swimming pool, it collects all impurities, mosquitoes, strands, grass, hair and floating insects effectively.