Unicel C-4326 Replacement 25 SqFt Pool Hot Tub Filter Cartridge (4 Pack)

Pack of 4 replacement C-4326 pool and spa filter cartridges ensures your water stays clear so you can enjoy relaxing in your swimming pool or hot tub Features 3-ounce basis weight and 25 square feet of media (106 pleats) that catch 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 2-1/8-inch ID and an open configuration for easy cartridge removal and replacement Durable end caps resist damage from chemicals and assure durability for the life of the cartridge Compatible with Hot Springs Spas, Nordic Hot Tubs, Pentair Pool Products, Rainbow Plastics, Waterway Plastics, Custom Molded Products, Coleman Spas, Beachcomber, Jacuzzi Premium, and more Also compatible with OEM systems including Rainbow, Waterway Plastics, and Custom Molded Products Filter life depends on routine maintenance and spa 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: 2-1/8 inches OD: 4-15/16 inches Length: 13-5/16 inches Overall dimensions (L x W x H): 4.94 x 4.94 x 13.31 inches Quantity: 4