A backyard pool or hot tub can add an element of luxury to your home and offer a private place to relax away from the stressful things in life. But pulling off the cover and seeing dirty water can quickly turn your calm headspace into another headache. Avoid all the hard parts of owning a backyard spa by replacing your filter with a Replacement Pool Filter Cartridge from Unicel. Offering a longer life than most replacement filter cartridges in the market, the Unicel filters are built to last using a durable filter media from Reemay, constructed of a high-density polyester that has been spun bound to with less wasted filtering area and designed for the long run. The models that are recommended to replace are Hayward Star Clear Plus C900 (CX900 RE), Sta Rite Posi Clear PXC 95 (25230 0095S), Waterway Clearwater II 100 (817 0100N), and Waterway Pro Clean 100 (817 0100P) With a quality construction and tight seals around each of the 164 pleats, this filter cartridge allows for more clean and clear water to pass through the filter, thanks to the sharp and rigid pleat fold around the entirety of its 8.9-inch diameter body. The tough urethane end caps assure durability throughout the lifetime of the cartridge, helping it stand up to any sort of debris that works its way into the filter. Plunge into your pool, not your pockets by choosing the high-quality filter accessories from Unicel for the long-term filtering of your backyard oasis.

• Replacement Pool Filter: 2 pack of C-8409 filter cartridges features 90 square feet (174 pleats) of 4-ounce basis weight media that catches debris and particles down to an average of 20 microns in size, keeping your water clear
• Optimal Debris Capture: Filter pool cartridge has sharp, uniform pleat folds that maximize water flow, minimize pressure loss, and allow full use of the pleat surface to hold more debris
• Filter Media: Constructed with 100-percent polyester Reemay material that balances dirt-holding capacity, cleanability, and durability with excellent chemical resistance properties
• End Cap Features: End cap design includes a 4-inch ID and an open configuration (with molded gasket) for easy cartridge removal and replacement; Durable plastic resists damage from chemicals
• Pool Fitment: Compatible with Hayward Pool Products, Sta-Rite, and Waterway; OD: 8-15/16 inches, Length: 17-3/8 inches