General description Our CSPARKV Filter Sponge is a reusable and washable foam filter cartridge designed for Intex Type A swimming pools, aquariums, and spas. It features a high-density mesh structure that effectively filters a wide range of impurities, including leaves, grass, hair, and insects, ensuring clean and clear water. Technical specifications Dimensions: 20 x 10 cm Center hole diameter: about 4 cm Usage For optimal performance, it is recommended to replace the filter sponge every two weeks to maintain effective filtration and cleanliness in your pool, aquarium, or spa. Other information This foam filter is made of high-quality sponge material that is flexible, durable, and environmentally friendly. It can be reused after cleaning, making it a cost-effective alternative to disposable paper filters.