C-9441 | Unicel Hayward C150S 150 Sq. Ft. Cartridge | CX150XRE

The Unicel C‑9441 cartridge is a premium 150 sq ft replacement filter for Hayward C150S systems, engineered to meet or exceed CX150XRE OEM performance specifications. Crafted with durable spun-bonded polyester media and featuring 165 pleats, it provides exceptional dirt-holding capacity and efficient water flow. With both ends open and fitted with 4‑inch molded gaskets, this cartridge fits perfectly into Hayward SwimClear and Clean & Clear filtration systems. Designed for straightforward installation and long-term use, the C‑9441 ensures sparkling, clear water and reliable filtration season after season

Highlights

• OEM-Level 150 sq ft Filtration Area: Delivers generous surface area with an optimized pleat count for efficient filtration, extending run time and improving water clarity.

• Heavy-Duty Spun-Bonded Polyester Media: Crafted from resilient, chemical-resistant material for long-lasting performance in pool environments.

• Exact Replacement for CX150XRE: Directly compatible with CX150XRE, CS150E, and Hayward SwimClear C150S cartridges—ensuring seamless swap-ins.

• Standard 4″ Gasket Open Ends: Features matching inlet/outlet design for simple, tool-free installation in standard filter housings.

• Optimal Geometry for Maximum Flow: Thoughtfully designed size and dimensions provide low resistance, sustaining strong pump efficiency and hydraulic performance.

Includes

• (1) Cartridge

Compatibility

• Hayward C150S SwimClear 150 Sq. Ft. Filters

Additional Info

Need help with the Unicel C-9441 150 sq ft replacement cartridge for Hayward C150S filters? This section covers installation, compatibility, and troubleshooting, plus guidance for checking details when buying in store.

Installing the C-9441 Cartridge

The C-9441 uses 4″ open ends with molded gaskets for easy installation. Simply remove the old filter and seat the new cartridge into place without tools.

How do I install the Unicel C-9441 cartridge into my Hayward C150S filter?

Why won’t the new cartridge seat properly in the housing?

Can I buy the C-9441 cartridge in store for same-day replacement?

Do I need to replace the filter lid O-ring when changing cartridges?

Confirming Compatibility With Hayward Systems

The C-9441 is engineered as a direct replacement for CX150XRE and CS150E cartridges. Verifying your filter model ensures the correct fit.

Does the C-9441 replace the CX150XRE cartridge exactly?

How do I confirm my Hayward SwimClear C150S uses this filter?

Can store staff compare my old cartridge against the Unicel C-9441?

Will this cartridge also fit Clean & Clear 150 sq ft systems?

Troubleshooting Filtration Issues

Cloudy water or short filter cycles may indicate clogged or undersized cartridges. Swapping to the C-9441 restores strong water clarity and flow.

Why is my pool still cloudy after installing the C-9441 cartridge?

How often should I clean or replace this 150 sq ft filter?

What should I do if pressure rises quickly after installation?

Can staff confirm if this cartridge matches my filter before checkout?