Unicel C-6980 Replacement DE Filter Cartridge | 20 Sq. Ft. | Pentair Quad DE 80

Unicel C-6980 Replacement DE Filter Cartridge | 20 Sq. Ft. | Pentair Quad DE 80

Regular price$108.99
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SKU:
C-6980
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About This Item

20 Sq. Ft. Replacement DE Filter Cartridge for Pentair Quad DE 80

The Unicel C-6980 is a precision-engineered replacement DE filter cartridge delivering 20 square feet of filtration area. Constructed with 8 oz. spun-bonded polyester DE media — a heavier, tightly woven fabric specifically designed to retain a DE powder coating — this cartridge provides the fine-particle capture performance your Quad DE 80 system depends on. With 42 pleats and open molded gasket end caps, the C-6980 seats firmly for a leak-free seal and consistent flow through every service cycle.

⚠️ IMPORTANT: Full Filter Service Requires 4 Cartridges
Your Pentair Quad DE 80 requires 4 cartridges for a complete service. Replacing all four at the same time ensures consistent flow, balanced filtration, and full filter efficiency. Add 4 units to your cart to complete your filter service.

Specifications

Filter Area 20 sq. ft.
Length 26 3/4"
Outer Diameter 6 1/4"
Top Inner Diameter 3"
Bottom Inner Diameter 3"
Material 8 oz. spun-bonded polyester (DE media)
Pleat Count 42
Top Cap: Open w/ molded gasket
Top Cap
Bottom Cap: Open w/ molded gasket
Bottom Cap

Fits Into:

OEM Brand Filter Model OEM Part Number Notes
Pentair Quad DE 80 178655 Four 20 sq. ft. cartridges required for complete filter service

(This is not an exhaustive list.)

Pro Tip

Before ordering, verify your filter dimensions match the specifications above and confirm OEM part number 178655 against your existing cartridge or filter housing label. Since the Quad DE 80 requires four identical cartridges, inspecting all four at the same time ensures you catch any uneven wear before it affects system performance.

Also known as: C6980

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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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