Reusable and Washable Swimming Pool Filtration Sponge Column Cylindrical Filtration Sponge Size:As Size Picture Shown Widely Used at Home and School, Home Gift Back to College; Gifts for Students; Family Gift; Gifts for Friend Reusable and Washable Swimming Pool Filtration Sponge Column Cylindrical Filtration Sponge Features: Replacing the filter paper and filter is a part of your swimming pool's daily maintenance and regularly replacing the filter may in high costs. These washable and reusable foam will reduce your costs. The initial cost of this ink cartridge is slightly higher than that of a paper cartridge but it will greatly the lifespan of the ink cartridge This foam filter has a longer service life than your ink cartridge and can be cleaned and reused several times. It is recommended to replace the ink cartridge once a week and these foam can be simply cleaned and put back. Product Description: Type: swimming pool foam filtering sponge Size: 20 * 10cm Weight: 25g (one) Material: Sponge Color: Blue You can get: 3pcs Swimming Pool Filter Sponge NOTES： Due to manual measurements please allow slight measurement deviations. Due to the different display and lighting effects the actual color of the item may be slightly different from the color displayed in the picture. School supplies are great gifts, widely used at home and school Multifunctional, Home gifts for family, gifts for Friend, holiday gifts Home Decor; School Supplies; School & Office Supplies; Home Gifts Gifts for Students, Summer Gifts, Home Gifts Use our school products, make your home and life more warm