tall cylindrical pleated filter cartridge with red end caps on white background

Unicel C-2613 Replacement Filter Cartridge for Pentair Module Media & Rainbow Lifeguard CL-29 | 12 Sq. Ft. | 29 1/4"

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SKU:
C-2613
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About This Item

The Unicel C-2613 is a 2000 Series 12 sq. ft. replacement filter cartridge engineered for slim, inline, and modular filter housings. At 29 1/4" long with a compact 2 7/8" outer diameter, it fits precisely where standard-width cartridges cannot — making it the right replacement for Pentair Module Media systems and Rainbow Plastics Lifeguard CL-29 inline filters. Its 41 pleats of 4 oz. Reemay 2040 spunbonded polyester media deliver consistent particle capture and long service life in these purpose-built housings.

Specifications

Filter Area 12 sq. ft.
Length 29 1/4"
Outer Diameter 2 7/8"
Top Inner Diameter 1 1/16"
Bottom Inner Diameter 1 1/16"
Material 4 oz. Reemay 2040
Pleat Count 41
Top Cap: Open
Top Cap - Open
Bottom Cap: Open
Bottom Cap - Open

Fits Into:

OEM Brand Filter Model OEM Part Number Notes
Pentair Module Media Filters (Standard & High Sq. Ft.) R173327
Pentair – Rainbow Plastics Lifeguard CL-29 17-2010

(This is not an exhaustive list.)

Pro Tip: The C-2613's symmetrical 1 1/16" inner diameter on both ends is designed to slide over a center core or standpipe within the housing. Confirm your housing's standpipe diameter and the number of cartridges required before ordering — Pentair Module Media systems use multiple cartridges per housing depending on the configuration. The slim 2 7/8" outer diameter is characteristic of Unicel's 2000 Series and will not fit standard pool filter housings designed for wider cartridges.

Also known as: C2613

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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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