Zhenx Upgraded Pool Filter Cartridge 250 Sq Ft — Compatible with Jandy CS250, Unicel C-8418/C-8425

Introducing the Zhenx Upgraded Pool Filter Cartridge

The Zhenx cartridge is designed as a reliable compatible replacement to help keep your pool water clear. It works with popular filter housings and supports everyday maintenance by capturing common debris while remaining straightforward to rinse and reuse. With a 250 square foot filtration area and a substantial 33-1/8 inch body, this cartridge is built to pair with a range of 4 inch top and bottom housings, giving you a practical option for many pool setups.

Key specs at a glance

• Filtration area: 250 square feet
• Length: 33-1/8 inches
• Outer diameter: 8-15/16 inches
• Top and bottom openings: 4 inches inside
• Weight: 3 oz

Advanced filtration design

The cartridge uses a Trilobal fabric filtration design that balances durability with ease of maintenance. The washable pleated fabric traps dust, hair, and sediment more effectively while allowing for easier rinsing to restore flow.

• Trilobal fabric provides strong filtration and robust structural integrity
• Fabric is designed to be rinsed and reused, reducing waste
• Open cartridge ends with molded gaskets support straightforward installation

Maintenance made simple

For best results, scrub the cartridge every two weeks with a cartridge cleaning tool and rinse with a garden hose. Regular cleaning helps sustain clearer water and steady filtration performance.

• Scrub every two weeks to dislodge buildup
• Rinse thoroughly to remove trapped debris
• Keep the filter in good condition to extend its life

Compatibility and usage notes

This is described as a compatible replacement for models such as Jandy CS250, Unicel C-8418, Unicel C-8425, PJANCS250, FC-0824, 17-175-3630, and related 250 sq ft systems. Brand names are used for identification purposes only.

Real-world benefits you might notice

As part of your regular pool care routine, you may experience clearer water and easier maintenance thanks to the cartridge’s filtration design and compatibility with common pool filter models. Results can vary based on overall pool usage and water conditions.