Washable and Reusable Filter Foam sponge cartridge made from quality material for durability and practicality. Offers a costeffective alternative to regular paper filter cartridge replacements, helping save money over time. Longlasting Performance Provides longer service life compared with paper cartridges, delivering extended filtration. Although the initial cost is higher, it outlasts traditional cartridges and maintains filtration performance for a longer period. Durable and Easy Maintenance Designed to withstand multiple washes and reuse without losing effectiveness. Eliminates the need to change the paper cartridge every week; simply wash and reinsert the foam filter to reduce hassle and ongoing costs. Efficient Pool Water Cleaning Helps keep pool water clean and clear as an effective water cleaner. Typically lasts about 2 months before a replacement is needed. Use scenarios Residential pools with standard filtration systems: reduce frequency of paper cartridge replacements and lower maintenance costs. Seasonal or rental properties: wash and reuse between service visits, extending maintenance intervals and simplifying upkeep. Pools with usage or debris load: maintain filtration efficiency with easy cleaning between replacements, planning for a replacement after approximately 2 months of use.