Unicel C-8600 Pool Filter Cartridge – Hayward Replacement
Premium Replacement Filter for Hayward Systems
The Unicel C-8600 Pool Filter Cartridge is a great replacement. It helps your Hayward cartridge filter system work its best. Engineered with precision pleating and durable materials, this cartridge delivers superior dirt-holding capacity, restoring water clarity and protecting your pool equipment from unnecessary strain.
If your water has started turning cloudy, your pump is working harder, or your filter is over a year old, it’s time to replace it with the trusted performance of the C-8600.
Why Choose the Unicel C-8600?
Unicel is the brand pool professionals rely on for filtration. Unlike generic cartridges, the C-8600 is engineered to OEM specifications, ensuring exact fit and reliable performance in Hayward filter housings. Benefits include:
-
Direct Hayward Replacement – Fits models requiring cartridge C-8600.
-
Premium Pleated Polyester – Captures dirt, oils, and fine debris efficiently.
-
Washable & Reusable – Easy to clean with regular rinsing.
-
Durable Construction – Reinforced end caps and core prevent collapse.
-
Consistent Water Quality – Maintains clear, sparkling pool water with fewer cleanings.
With Unicel, you get long-lasting quality that outperforms low-cost alternatives.
Compatibility and Dimensions
The Unicel C-8600 is designed for Hayward cartridge filter systems, including:
-
Hayward Star-Clear C800 / C900 models
-
Other Hayward housings designed for this size cartridge
Filter Specifications:
-
Diameter: 8 ½"
-
Length: 23 5/16"
-
Top: Open, 4" inner diameter
-
Bottom: Open, 4" inner diameter
-
Media: High-quality pleated polyester
Always confirm your housing model and dimensions before purchase.
Signs You Need to Replace Your Cartridge
A dirty or worn-out filter cartridge can’t effectively keep your water clean. Replace your Unicel C-8600 if you notice:
-
Cloudy or green water even after chemical treatment
-
Higher-than-normal pressure readings
-
Weak return jet flow or pump strain
-
Filter over 12–24 months old
-
Visible damage such as cracked end caps or frayed pleats
Installing a new Unicel cartridge ensures optimal performance and balanced filtration.
Easy Installation and Care
Replacing the Unicel C-8600 takes just minutes:
-
Turn off your pool pump and relieve pressure.
-
Open the Hayward filter housing.
-
Remove the old cartridge.
-
Insert the new Unicel C-8600 into place.
-
Close the housing and restart circulation.
For best results, rinse your filter with a hose every 4–6 weeks. Use a cartridge cleaning solution periodically to remove oils, sunscreen, and calcium buildup.
Built to Last
The Unicel C-8600 is constructed to withstand the toughest pool conditions:
-
Resists chlorine and bromine exposure
-
UV-protected for outdoor use
-
Heavy-duty center core resists collapse under high pressure
-
Precision pleating maximizes surface area for long filter cycles
This durable design ensures reliable, long-term performance season after season.
Protect Your Pool and Equipment
Replacing your filter regularly with a high-quality Unicel cartridge protects your investment by:
-
Improving water clarity and balance
-
Reducing strain on pumps and heaters
-
Ensuring efficient water flow and circulation
-
Extending the lifespan of your equipment
Key Features of the Unicel C-8600
-
OEM-quality replacement for Hayward Star-Clear systems
-
Large capacity filter for superior water clarity
-
Dimensions: 8 ½" diameter × 23 5/16" length, 4" open ends
-
Premium pleated polyester media
-
Washable, reusable, and long-lasting
-
Reinforced end caps and heavy-duty core
-
Designed for consistent, dependable filtration
FAQ – Unicel C-8600
Q: Which Hayward filters does this replace?
A: The C-8600 fits Hayward Star-Clear C800, C900, and other compatible housings requiring this size cartridge.
Q: How often should I replace it?
A: Most cartridges last 12–24 months depending on pool size, water chemistry, and usage.
Q: Can this be cleaned and reused?
A: Yes. Rinse regularly and soak in a cartridge cleaner solution for best performance.
Q: Will this work in saltwater pools?
A: Yes. The C-8600 is resistant to both saltwater and chlorine pools.
Q: What makes Unicel better than generic filters?
A: Unicel cartridges use premium polyester media, reinforced cores, and precision pleating for longer life and superior water clarity.
