Pentair 179136 Clean & Clear Plus 520 Filter Cartridge 4-Pack — 130 Sq Ft Each, Genuine OEM (CCP520)
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The Pentair 179136 Clean & Clear® Plus 520 Cartridge Set is the genuine OEM 4-pack of replacement filter cartridges for the CCP520 filter system. Each cartridge provides 130 sq ft of pleated filtration surface — 520 sq ft total — restoring water clarity, flow rate, and long intervals between cleanings.
Key Features
- Complete 4-pack set: Everything your CCP520 needs in one purchase.
- 520 sq ft total area: 130 sq ft per cartridge — the largest in the Clean & Clear Plus line.
- Genuine Pentair OEM: Exact end-cap fitment seats properly on the manifold with no bypass.
- Durable non-woven polyester media: Holds pleat structure under load for consistent filtration.
- Fewer cleanings: Maximum surface area extends the time between maintenance cycles.
- Built for pool chemistry: Chemical-resistant construction for chlorine and salt systems.
Specifications
- Part Number: 179136
- Type: Filter cartridge replacement set, 4-pack
- Filter Area: 130 sq ft each / 520 sq ft total
- Fits: Pentair Clean & Clear Plus CCP520 (filter 160332), Waterway Crystal Water 525
- Cross-reference: R173578, Pleatco PCC130, Unicel C-7472, Filbur FC-1978, 178585, 817-0131
- Dimensions: Approx. 32" length x 7" outer diameter each
- Brand: Pentair — genuine OEM
Frequently Asked Questions
How many cartridges are in the Pentair 179136?
Four — the full set for one Clean & Clear Plus 520 filter. Replace all four together for even loading.
Which filter does the 179136 fit?
The Pentair Clean & Clear Plus CCP520 (filter model 160332) and the Waterway Crystal Water 525. For the 420 sq ft system, use the 179135.
What's the difference between 179136 and 179135?
Size and capacity. The 179136 cartridges are 130 sq ft each and about 32" long for the 520 system; the 179135 are 105 sq ft and about 26" long for the 420 system. They are not interchangeable.
How often should I replace them?
Inspect and clean every 4–6 weeks, and replace annually or when you see matted pleats, tears, or pressure that rises quickly after a cleaning.
Can I use aftermarket cartridges instead?
Aftermarket equivalents exist (Pleatco PCC130, Unicel C-7472), but this is the genuine Pentair OEM set, which guarantees the rated surface area and correct fitment on the manifold.
Should I replace all four at the same time?
Yes. Mixing new and old cartridges causes uneven loading, higher operating pressure, and shortened life on the new cartridges.
Frequently asked questions
How often should a filter cartridge be replaced?
Most cartridges are cleaned several times a season and replaced when the pleats no longer come clean, the fabric goes hard or brittle, or the end caps separate. Filter pressure that returns to high shortly after a cleaning is the usual sign that the element is finished.
What is the part number for this filter cartridge?
Pentair lists this filter cartridge under part number 179136. Quote 179136 when you cross-reference against your equipment manual, an existing part, or a parts diagram, so you are comparing the same revision.
How do I clean this cartridge?
Rinse between the pleats with a garden hose, working top to bottom, and soak in a dedicated filter cleaner to remove oils and scale. Avoid a pressure washer, which drives debris deeper into the fabric and cuts the pleats.
How do I confirm this fits my equipment?
Match the part number stamped on the component you are replacing, or look it up in the parts list for your Pentair equipment. If your model or serial number is not named on this page, send it to us before you order and we will confirm the fit.
Will this cartridge fit my filter housing?
Cartridges are matched by outside diameter, length, end-cap style and square footage, all of which are listed in the specification section. Compare those four dimensions against your existing element - the filter's brand name on its own is not enough to confirm a fit.
Is there a warranty on this filter cartridge?
It carries the standard Pentair manufacturer warranty. The terms are set by Pentair, and on some equipment the coverage only applies when a licensed professional performs the installation. Keep the receipt and packaging until you have confirmed correct operation.