Unicel C-8311 Replacement 100 SqFt Pool Filter Cartridge, 194 Pleats

Replacement C-8311 pool filter cartridge ensures your water stays clear so you can enjoy relaxing in your swimming pool Features 100 square feet (194 pleats) of 3-ounce basis weight media that catches debris and particles down to an average of 20 microns in size Sharp, uniform pleat folds maximize water flow, minimize pressure loss, and allow full use of the pleat surface to hold more debris Constructed with 100-percent polyester Reemay material that balances dirt-holding capacity, cleanability, and durability with excellent chemical resistance properties End cap design includes a 4-inch ID and an open configuration (with molded gasket) for easy cartridge removal and replacement Durable end caps resist damage from chemicals and assure durability for the life of the cartridge Compatible with Hayward Pool Products Filter life depends on routine maintenance of water chemistry Change filter when there is a shorter cycle between cleaning, low water flow rate or high differential pressure, when the media has a tear, or if the center core collapses Media material: Spun-bonded polyester End cap material: Plastic Top/Bottom end cap ID: 4 inches OD: 8-15/16 inches Length: 17-3/8 inches Overall dimensions (L x W x H): 8.94 x 8.94 x 17.38 inches