Reusable and washable filter: This swimming pool filter foam sponge cartridge is made of durable foam sponge material, offering a reusable and washable filtration solution. It helps avoid the routine cost of constantly changing paper filter cartridges. Long lasting and costeffective: Compared with paper cartridges, this foam filter lasts longer and reduces replacement frequency, delivering lower longterm costs. Convenient and reusable: This foam filter can be washed and reused multiple times, saving time, effort, and resources. Effective filtration: Designed to keep pool water clean, it efficiently traps dirt, debris, and impurities. With an approximate lifespan of 2 months, it helps maintain a consistently clean pool environment. Applications: Home backyard pool with a standard cartridge filtration system, reducing paper cartridge purchases. Aboveground or smaller pools that experience frequent debris, enabling postuse rinsing and reuse. Seasonal or light commercial pool use where lower maintenance costs and reduced downtime are advantageous.