POOL FILTER TYPE A: Keep your spa or pool clean with the replacement filter type A, a washable sponge. The filter is made of high quality polyester. Dimensions: Diameter: 20.0 x 10.0 cm (L x W) / 7.87" x 3.94"; Suitable for all swimming pool models that require a type A filter, perfectly compatible High quality material: Filters pool debris, cleans the pool water source and ensures that the water flow is clean and hygienic. Reusable foam filters can reduce your costs Ultra Clear Filtration: The pool filter cleans and refreshes. Easy to clean, it is recommended to change it once a week. The swimming pool is clean and hygienic, providing your family and friends with a comfortable and safe swimming pool environment. KEEP YOUR POOL CLEAN: Swimming pool filter A is an essential accessory for every swimming pool. It keeps your pool water in good condition and clean. Continuous swimming pool water filter. Product Description Specification: Type: Filter Sponge. Dimensions (H x D x H): 20 x 10