Reusable washable foam filter for swimming pools. Replacing paper filter cartridges can be costly, so this washable foam filter provides a cost effective alternative. Long service life. The initial cost may be higher than paper cartridges, but this filter lasts significantly longer, delivering extended usage and value. Durable and reusable. Made from foam material, this filter can be washed and reused multiple times, outlasting paper cartridges and saving money over time. Keeps pool water clean. Designed to be an effective water cleaner for swimming pools, it removes dirt and impurities for a clean and enjoyable swimming experience. Key attributes Material: foam Function: pool filtration Performance: removes dirt and impurities to maintain clean water Compatibility: intended as a reusable alternative to disposable paper cartridge filters in pool filtration systems that use foam cartridges Use scenarios Regular home pool maintenance: disposable paper cartridges with this reusable foam filter to reduce ongoing replacement costs. Seasonal or heavy usage periods: wash and reuse after filtering debris or after extended use to maintain clean water without frequent cartridge purchases. Costconscious upkeep: long lasting foam filter to minimize replacement frequency and lower total filter expenses over time.