The 2 Pack Pool Spa Hot Tub Filter J300 Aladdin 15203 by Clearchoice is a premium filter cartridge set designed for use in hot tubs, above ground pools, swimming pools, and inflatable kid pools. Made from durable PET composite material, these cartridges feature an advanced trilobal fabric for efficient dirt capture and are washable and reusable. With a capacity of 60 sq.ft and a filtration method that includes sediment, polyphosphate, and polypropylene, these cartridges are suitable for removing contaminants such as sediment, sand, leaves, hair, suntan lotion, stone, and dust. Each cartridge comes with full instructions for easy installation and maintenance. Ideal for brands like Jacuzzi, Filbur, Unicel, and Pleatco, these filter cartridges provide crystal clear water for your pool or spa.