Darlly Spa and Pool Filter Cartridge 71311 FC3436 C7494 For Spa And Pool Filtration

Description

Meet the Darlly Spa/Pool Replacement Filter Cartridge 71311 — a durable, high-capacity replace­ment built to refresh your Hayward SwimClear filtration. With cross-compatibility to FC-3436 and C-7494, this cartridge is ready to restore water clarity in your pool or spa with dependable performance and straightforward maintenance.

• Precise fit for reliable performance: Top 3″ and bottom 3″ open configurations, 7″ open diameter, and a length of 32-13/16″ ensure a secure seal and optimal flow within the housing.
• Robust filtration media: 4 oz pleated media delivers a broad filtration surface while maintaining strong water flow for cleaner, clearer water.
• Extensive filtration area: 131 square feet of filtration surface work together to trap dirt and debris, helping you extend clean cycles between maintenance.
• Wide compatibility: Replaces part numbers including 23101, 23101ECO, 4902-167, 609348, 645544012272, AK-60550, C-7494, CX1280XRE, FC-1227, FC-3436, PA137, PC-1227, PLE-051-9279, PLE-051-9280, PLE-051-9281, making it a versatile choice for many Hayward bottom-entry SwimClear setups.
• Optimized for Hayward SwimClear C-5025 style systems: Specifically designed to fit the bottom-entry housing used in these configurations, delivering dependable filtration performance with minimal downtime.

Why this Darlly replacement stands out: it blends cost-effective replacement cycles with filtration efficiency, so you enjoy clear water without frequent, costly cartridge changes. The generous 131 sq ft of filtration area means you can run longer between cleanings, while durable end-caps and a precise fit minimize bypass and protect your pump from unnecessary wear.

Ideal use scenarios

• Residential pools with Hayward SwimClear bottom-filter housings seeking reliable, long-lasting cartridge replacements.
• Spa and hot tub filtration where consistent flow supports even chemical distribution and heat retention.
• Seasonal maintenance plans that prioritize quick swaps and steady water clarity throughout the swimming season.

Care and installation tips

• Ensure the cartridge is fully seated in the housing and that all seals are clean and intact for a tight, leak-free fit.
• Rinse the cartridge with a hose to remove loose debris after backwashing and prior to re-installation to maintain optimal flow.
• Inspect the surrounding filter housing annually and replace worn seals to preserve filtration efficiency and prevent leaks.