Product Overview

Unicel 9000 Series 150 sq. ft. Replacement Filter Cartridge is the replacement cartridge. It offers filtration and better water clarity. More cartridge pleats mean improved filter capacity. The polyester cartridge lasts longer than others.

The Unicel C-9441 150 sq. ft. Replacement Filter Cartridge is a 9000 Series pool filter cartridge made as a replacement for the Hayward CX150XRE cartridge used in Hayward C150S-style cartridge filters. It uses spun-bonded 100% polyester Reemay media to trap dirt and fine debris as water passes through the filter.

Ideal For

Replacing a worn, torn, or hard-to-clean 150 sq. ft. cartridge in a compatible Hayward cartridge filter

Restoring filter performance and water clarity

Routine pool filter maintenance by homeowners and service technicians

Key Features

150 sq. ft. filter area

165 pleats of spun-bonded 100% polyester Reemay media

4 in. open ends with molded gaskets, top and bottom

Replacement for Hayward CX150XRE

Specifications

Warranty & Compatibility

Compatibility Notes

The C-9441 is made as a replacement for the Hayward CX150XRE cartridge (Hayward C150S-style filters). Before ordering, compare the outside diameter (10-5/16 in.), length (23-5/16 in.), and 4 in. open ends against your existing cartridge. Several 150 sq. ft. cartridges look similar but are not interchangeable.

Installation Notes

Turn the pump off and relieve filter pressure before opening the filter. Remove the old cartridge, rinse debris from the tank, seat the new cartridge so both gasketed ends sit properly, then close the filter and bleed air before restarting the pump.

Customer-Facing Q&A

Q: What is the part number?
A: Unicel part number C-9441.

Q: What Hayward cartridge does it replace?
A: It is made as a replacement for the Hayward CX150XRE cartridge.

Q: What are the dimensions?
A: 10-5/16 in. outside diameter by 23-5/16 in. long, with 4 in. open ends and molded gaskets on both ends.

Q: Can I order by square footage alone?
A: No. Always confirm diameter, length, and end openings against your existing cartridge or filter model.