Unicel PXC-125 & Pro Clean 125 Cartridge | 125 Sq. Ft. | 25230-0125S | C-8413

The C-8413 Unicel Cartridge is a high-performance 125 sq ft replacement filter for Sta-Rite PXC-125 and Waterway Pro Clean 125 systems, manufactured to meet OEM standards for reliability. With 148 pleats of spun-bonded polyester media, it delivers excellent dirt-holding capacity, extending filter run time and improving water clarity. Its sturdy design resists chemical exposure and repeated cleaning without losing structure. Measuring 8-15/16" in diameter and 28-3/16" in length, with dual 4" open ends and molded gaskets, the C-8413 ensures a precise, leak-resistant fit as a direct replacement for Sta-Rite part 25230-0125S. Built for long-term use, it offers easy installation and dependable performance for residential pool systems.

Highlights

• 125 sq ft Filter Area: Provides expanded surface coverage for improved debris capture and longer operating cycles between cleanings.

• High-Strength Media: Constructed from spun-bonded polyester, delivering chemical resistance and dependable longevity under spa and pool conditions.

• OEM Replacement Cartridge: Sized to match Sta-Rite 25230-0125S, fitting PXC-125 and Waterway Pro Clean 125 filtration systems directly.

• Efficient Flow Support: Dimensions of 8-15/16" × 28-3/16" maintain strong hydraulic performance while protecting pump efficiency.

• Dual 4" Gasketed Ends: Equipped with molded gaskets on both open ends, ensuring a secure seal and simple installation process.

Specification

• Length: 28‑3/16″
• Outside Diameter: 8‑15/16″
• Inside Diameter: 4"

Additional Info

The Unicel C-8413 125 sq ft cartridge is an exact replacement for Sta-Rite 25230-0125S, fitting PXC-125 and Waterway Pro Clean 125 systems. This section provides installation, compatibility, and troubleshooting details for online buyers with free shipping.

Installing the C-8413 Cartridge at Home

This filter measures 28-3/16″ × 8-15/16″ with dual 4″ open ends. Simply drop it into the housing and secure the filter lid for reliable operation.

How do I install the C-8413 cartridge step by step?

Why won’t the cartridge seat correctly after shipping?

Can I order the C-8413 filter cartridge online with free shipping?

Do I need to rinse the cartridge before first-time use?

Checking Online Compatibility

The C-8413 is built for Sta-Rite PXC-125 and Waterway Pro Clean 125 filters. Confirming the OEM number 25230-0125S online ensures the correct order.

Does the C-8413 cartridge fit Sta-Rite PXC-125 systems?

How do I confirm online that my filter uses the 25230-0125S spec?

Is this filter also compatible with Waterway Pro Clean 125 models?

Can I order multiple C-8413 cartridges online for fast delivery?

Troubleshooting After Replacement

If water clarity doesn’t improve, check for improper seating or clogged plumbing. A new C-8413 restores filtration efficiency when correctly installed.

Why is my pool still cloudy after installing the C-8413 cartridge?

How often should I clean or replace this Unicel 125 sq ft filter?

What can I do if the cartridge collapses under pump pressure?

Will SOSPool.com ship the C-8413 cartridge free of charge?