Unicel Replacement Filter Cartridge 125 sf Sta-Rite PCX-125/Waterway Pro Clean | C-8413

Unicel C-8413 Replacement Filter Cartridge | 125 sq. ft. | Sta-Rite PXC-125 / Waterway Pro Clean 125

Regular price$107.99
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SKU:
C-8413
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About This Item

The Unicel 8000 Series C-8413 is a precision-engineered 125 sq. ft. replacement filter cartridge built to exact OEM tolerances for Sta-Rite Posi-Clear PXC-125 and Waterway Pro Clean 125 systems. With 148 pleats of 4 oz. Reemay 2040 spunbond polyester media, it delivers exceptional dirt-holding capacity and long service life — a drop-in replacement your filter housing was designed around.

⚠️ IMPORTANT: Verify Your Cartridge Length Before Ordering
This C-8413 cartridge measures 28 3/16" in length. The Waterway Pro Clean 125 and Pro Clean 150 share the same diameter but have different lengths. If your existing cartridge is approximately 32 3/16" long, you need the Unicel C-8414 (fits Sta-Rite PXC-150 and Waterway Pro Clean 150). Measure your current cartridge's overall length (OAL) before placing your order.

Specifications

Filter Area 125 sq. ft.
Length 28 3/16"
Outer Diameter 8 15/16"
Top Inner Diameter 4"
Bottom Inner Diameter 4"
Material 4 oz. Reemay 2040
Pleat Count 148
Top Cap: open w/ molded gasket
Top Cap
Bottom Cap: open w/ molded gasket
Bottom Cap

Fits Into:

OEM Brand Filter System OEM Part Number Notes
Sta-Rite Posi-Clear PXC-125 25230-0125S
Waterway Plastics Pro Clean 125 817-0125P Verify OAL — Pro Clean 125 (28 3/16") and Pro Clean 150 (32 3/16") share the same diameter. Measure before ordering.

(This is not an exhaustive list.)

Also known as: C8413

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Unicel Filter Cartridges and DE Grids

About Unicel Filter Cartridges and DE Grids

The "Gold Standard" of Replacement Cartridges
For over 50 years, Unicel (Meissner Mfg.) has been the professional's choice for restoring pool water clarity. While generic "knock-off" filters often use cheap, fuzzy fabric that clogs quickly, Unicel uses genuine Reemay® Filtration Media. This patented synthetic fiber features a unique trilobal shape that traps significantly more dirt and oils without choking your pump's water flow. Based in California, Unicel doesn't just copy filter dimensions; they engineer them to strict Original Equipment Manufacturer (OEM) specifications. This ensures a "lock-tight" fit in your filter tank, preventing debris from bypassing the system and returning to your pool.

Why We Trust Unicel Filter Cartridges and DE Grids
Genuine Reemay® Media: Uses continuous trilobal fibers to capture microscopic debris without restricting water flow.

Precision "Exact Fit": Engineered to match your tank's original specifications for a 100% leak-free seal.

Made in the USA: Manufactured in California with heavy-duty urethane end caps that resist cracking under pressure.

Longer Lifespan: Sharp, rigid pleats resist collapsing during cleaning, meaning you buy fewer replacements over time.

More about Pool and Spa Filter Cartridges

Complete Your Pool Care Routine

Essential Pairing
Filter Cleaning Chemicals for All Types of Pool & Spa Filters

Using a specialized cleaner like FilterWash helps release deeply embedded oils and minerals that standard rinsing leaves behind.

Shop Filter Cleaning Chemicals for All Types of Pool & Spa Filters
Highly Recommended
Pool and Spa Plumbing Lubricants

Every time you open your filter tank, you must lubricate the O-ring to prevent dangerous leaks and ensure a watertight seal.

Shop Pool and Spa Plumbing Lubricants
Pro Tip: Don't Forget
Pool Test Kits and Water Analysis Tools

Balanced water pH prevents calcium scale from hardening your filter fabric and ruining your new cartridges.

Shop Pool Test Kits and Water Analysis Tools

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