POOLPURE Pool Filter Cartridge PLFC-8610 replacement (23.3") — 50-micron, 100 sq ft high-flow

The POOLPURE PLFC-8610 is a high-efficiency replacement pool filter cartridge designed to match Unicel C-8610/PA100/Ultral-D1 fitments while delivering finer, longer-lasting filtration for clearer water.

Whether you maintain a residential pool or a heavy-use commercial setup, the PLFC-8610 cartridge is engineered to be a drop-in replacement that improves particle capture, simplifies cleaning, and reduces the frequency of cartridge swaps. Built from trilobal filtration fabric and a reinforced core, this cartridge balances high flow with 50-micron fine filtration so you can keep water clearer with less effort.

How does the PLFC-8610 improve everyday pool water quality?

The cartridge combines a multilayer trilobal fabric and a 50-micron filtration layer to trap fine particles while preserving flow rate. That means fewer cloudy days and less strain on your pump and sanitizer system.

• Filtration area: 100 sq. ft. for increased dirt-holding capacity
• 50-micron fine filtration removes dust, hair, sand, and fine debris
• Trilobal fiber structure offers three times the adsorption surface vs. standard fabrics
• Maintains effective flow to avoid unnecessary pump overwork

Will this cartridge fit my filter and how easy is installation?

The PLFC-8610 is manufactured to match the dimensions and inlet/outlet openings of common replacements like PA100, Ultral-D1, and Unicel C-8610. Installation is straightforward: remove the old cartridge, rinse, seat the new cartridge, and reassemble according to your filter housing manual.

• Length: 23 5/16" and outer diameter: 8 1/2" for direct compatibility
• Top and bottom openings: 4" open to match standard housings
• Fits models such as Star-Clear II C1100, Super-Star-Clear C4000/C4020, 17-175-1037, SD-00551
• PoolPure is an independent brand; trademarks used only for compatibility reference

How durable is the PLFC-8610 and what maintenance is required?

Designed for extended service life, this cartridge uses 4 oz. thickened polyester fabric, reinforced ABS end caps, and a strengthened integrated core to resist wear. Routine maintenance is limited to periodic rinsing and occasional deeper cleanings for peak performance.

• Durable construction lasts over 30% longer than typical cartridges
• Patented dirt-locking structure releases trapped debris easily when rinsed
• Reusable after rinsing—reduces replacement frequency and costs
• Simple rinsing lowers maintenance time and keeps filtration effective

Does the PLFC-8610 meet industry safety or performance standards?

The PLFC-8610 is built with material safety and industry performance in mind and undergoes testing to recognized standards. PoolPure participates in industry organizations and highlights third-party recognition to support reliability claims.

• NSF/ANSI 50 tested by IAPMO for material safety in pool and spa applications
• PHTA member—follows Pool & Hot Tub Alliance guidance for filtration performance
• Field-tested in athletic environments and used with competitive swim programs
• Trusted by millions of pool owners for consistent, long-term use

Who is this for: The POOLPURE PLFC-8610 is ideal for pool owners and service professionals who need a reliable, high-capacity replacement cartridge that fits Unicel C-8610/PA100/Ultral-D1 style housings. It suits residential pools, community pools, and athletic training facilities that demand improved fine-particle removal, longer cartridge life, and simpler maintenance without altering existing plumbing or filter housings.