Efficient Filter: Designed for clean and hygienic water for your pool or spa. The filter cartridge effectively removes hair, leaves, dust, sediment, sand, and more. High Strength: Durable and washable. The pleated fabric maintains its strength even in the presence of sediment. Our high-flow core is designed to support the filter and reduce wear on your pump. Easy to Clean: The inflatable spa filter cartridge is installed inside the pump and traps impurities as they pass through the system. This filter effectively absorbs impurities and is easy to clean. Simply remove it from the pump and hose it down. Contents: 3 filter cartridges for Bestway Filter II. The swimming pool filter element is made of high quality materials and has a solid structure. It is installed inside the filter pump, which can provide you with the best filtration performance, effectively remove dirt in the water, and let you enjoy a clean leisure time in the swimming pool. Product Specification: Material: Polyester