Features： * brand new and high quality. *Reusable Washable Filter: Changing your paper filter cartridge is part of your routine maintenance for your pool and regular replacement of the cartridge can prove costly. These washable and re-usable foam filters will reduce your costs. *Long Working Time: Initial cost of this cartridge is slightly more than a paper cartridge yet will a cartridge by a long way. *: This Foam filter will your paper cartridges and can be washed and re-used several times over. *Reusable Washable: Advises changing a paper cartridge each week, whereas these foams can be washed and put back. *Keep Water Clean:Will be a great water cleaner for swimming pool. Specifications: Fitment:For Type I/II/VI/D Material: Sponge Color: blue Type I Size(HxD):8.8x7.8cm/3.46x3.07in(Approx) Center Hole Drilled:28mm(Approx) Type II Size(HxD):13.4x10.4cm/5.27x4.09in(Approx) Center Hole Drilled:52mm(Approx) Type VI Size(HxD):8x10.4cm/3.14x4.09in(Approx) Center Hole Drilled:52mm(Approx) Type D Size(HxD):9.5x10.8cm/3.74x4.25in(Approx) Center Hole Drilled:52mm(Approx) Package Contents: 1 x Filter Sponge Note: 1, The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2, Please allow slight manual measurement deviation for the data. 【Reusable and Cost-effective】Instead of constantly changing expensive paper filter cartridges, these washable and reusable foam filters provide a cost-effective solution. Save money in the long run with these for durable alternatives. 【Long-lasting Performance】While paper cartridges need frequent replacement, this foam filter outlasts them by a substantial margin. Enjoy extended usage time and avoid the hassle of constant cartridge replacements. 【 for durable and Washable】Unlike paper cartridges, this foam filter can be washed and reused multiple times. Its for durable construction ensures longevity without compromising on performance. 【Easy to Maintain】Unlike the weekly replacement advised for paper cartridges, these foams can be easily washed and put back into operation, saving both time and money on routine maintenance. 【Efficient Water Cleaning】Designed specifically for swimming pools, this filter foam sponge effectively keeps the water clean and free from impurities, a refreshing and safe swimming experience.