The Unicel C-8409 Pool Filter Cartridge is a high-quality replacement cartridge designed for large-capacity cartridge pool filter systems that demand consistent flow, strong debris capture, and long service life. Built with Unicel’s precision-engineered pleated media and a reinforced internal core, this cartridge restores proper filtration performance while helping maintain stable system pressure. The C-8409 is commonly used in residential and light commercial pool systems where water clarity, circulation efficiency, and equipment protection are critical. Why This Cartridge Matters Captures fine debris to improve overall water clarity Restores proper flow rates and balanced filter pressure Reduces strain on pool pumps and circulation equipment Helps prevent bypass caused by collapsed or worn cartridges Extends the life of your filter tank and related components Built for Strength, Flow, and Long Service Life Unicel cartridges are known for uniform pleat spacing that maximizes usable surface area while allowing water to move evenly through the filter. This design reduces pressure spikes, improves dirt-holding capacity, and allows longer run times between cleanings. The heavy-duty end caps and rigid center core help the C-8409 maintain its shape even under continuous operation, making it a dependable option for pools with higher circulation demands. Correct Fit Is Essential Using the correct cartridge model ensures proper sealing inside the filter tank. An incorrect or worn cartridge can allow debris to bypass filtration, return to the pool, or create uneven pressure that accelerates equipment wear. Always verify compatibility before installation. Product Specifications Specification Details Brand Unicel Model C-8409 SKU C-8409 Filter Type Cartridge Media Pleated polyester filtration fabric Core Reinforced internal core Application Cartridge pool filter systems Condition New Cross-Reference Information The Unicel C-8409 is designed to replace select OEM and aftermarket cartridges with matching dimensions and specifications. Always confirm filter model compatibility and cartridge measurements prior to purchase. Why Buy From Benchmark Pool Supply Benchmark Pool Supply focuses on supplying correct-fit, professional-grade pool filtration components. Our inventory is selected to help pool owners and service professionals avoid mismatched cartridges, filtration inefficiencies, and unnecessary equipment stress. When you order from Benchmark, you’re getting parts chosen for real-world pool systems—not generic substitutes.
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