●Made of Dacron Material (Polypropylene & Dacron Resin Fiber) - Pleated Heavy Duty Paper for Improved Filtration Performance - Up to 5700L per hour - Lifespan is about 2,000 hours Replace the filter every 2 weeks for healthy water and a clean pool that sparkles ●For best results, replace your filter cartridge every 2 weeks - easy to clean when needed. Rub clean with cartridge cleaner tool and rinse with powerful water pressure to remove loose particles from filter fabric ●Designed for durability and high stain retention capacity, this filter stands strongly under pressure and can withstand the rigors of multiple washes ●Diameter:8cm/3.15",Length:8.7cm/3.42"(approx)