Name: Pool Filter Sponge for Type A/C, Pool & Spa Cartridge Filter Replacement, Reusable Foam Filter for Type A/C Pool Pump Specifications: Quantity: 2/8/9 Material: PU Sponge Size: 20x10x4cm/7.87x3.93x1.57in Package Includes: 2/8/9 pcs x Pool Sponge Filter 【Swimming Pool Filter Foam】the package includes 2/8/9 piece swimming pool filter foams, approx.20x10x4cm/7.87x3.93x1.57in, proper size for you to use, the quantity can meet your daily use and replacement. Suitable for Type A/C 【High Quality Material】The swimming pool filter foam is made of quality PU sponge, high quality sponge makes it have excellent ductility and can have stronger filtering capacity. This pool filter efficiently removes hair, sediment, sand, etc. 【Pool Filter Sponge】This foam filter can be applied for long time than traditional paper cartridges, the foam filter last for about 2 months, you do not need to replace frequently. 【Reusable & Washable】The foam filter sponge can be cleaned many times and reused, which can reduce your maintenance costs. It's Washable and easier to clean and maintain, our pool filter can save you a lot of time and effort. 【Easy to Use】You just need to take it out regularly (about a week), clean it and put it back in place. The replacement time depends on the frequency of use and the actual situation of the sponges, normally it may last not less than 1 month.