Product Overview

The Pentair Clean & Clear Plus 520 OEM Cartridge Filter Replacement Kit | 179136 is a genuine Pentair 4-pack replacement cartridge set designed for the Pentair Clean & Clear Plus 520 / CCP520 cartridge filter system. This kit includes all four cartridge elements needed to replace the full set inside a compatible 520 sq ft Clean & Clear Plus filter.

Each cartridge is designed to capture dirt, debris, oils, and fine particles while supporting strong water flow through the filter tank. Replacing worn or clogged cartridges helps improve water clarity, reduce filter pressure issues, support proper circulation, and extend the life of your pool equipment.

Pentair 179136 is commonly listed as the OEM 4-pack cartridge set for the Clean & Clear Plus 520 filter. Industry listings identify the cartridges with a 7" diameter, 32-1/16" length, 3" open top, and 3" open bottom design. Some sources list each cartridge at 125 sq ft, while other references list 130 sq ft per cartridge for the CCP520 system.

Ideal For

Pentair Clean & Clear Plus 520 filters

Pentair CCP520 cartridge filter systems

Replacing all four filter cartridges at once

Restoring pool water clarity

Reducing high filter pressure caused by clogged cartridges

Improving pool circulation and filtration efficiency

Seasonal pool filter maintenance

Residential inground pool systems

Pool owners wanting OEM replacement cartridges

Professional pool service technicians

Key Features

Genuine Pentair OEM replacement set: designed for compatible Clean & Clear Plus 520 filters.

Complete 4-pack kit: replaces all four cartridges inside the CCP520 filter.

Designed for 520 sq ft filter systems: supports full filter capacity when all cartridges are replaced.

Large filtration surface area: each cartridge is commonly listed at approximately 125–130 sq ft.

7" diameter cartridge design: matches compatible Clean & Clear Plus 520 filter requirements.

32-1/16" cartridge length: proper height for the CCP520 filter tank.

3" open top and bottom: designed for correct fitment on compatible filter manifolds and supports.

Pleated filter media: traps dirt, debris, oils, and fine particles from pool water.

Supports proper water flow: helps reduce restriction when replacing worn or clogged elements.

OEM fit and function: made to match Pentair filter specifications and performance expectations.

No backwashing required: cartridge filters are removed, rinsed, and reinstalled during cleaning.

Professional service quality: ideal for maintenance routes and full cartridge replacement jobs.

Benefits

The Pentair 179136 cartridge kit helps keep compatible Clean & Clear Plus 520 filters operating at full filtration capacity. Over time, cartridges can become clogged, worn, stained, collapsed, or less effective at capturing debris. Replacing all four cartridges at once helps restore balanced filtration across the entire filter tank.

OEM cartridges are designed for correct fit, flow, and filtration performance inside the Pentair CCP520 filter. Proper cartridge replacement can help lower operating pressure, improve water clarity, reduce stress on the pump, and improve overall circulation.

For pool professionals, this 4-pack is a convenient full-filter replacement kit for servicing Pentair Clean & Clear Plus 520 systems.

Specifications

Included Components

• 4 × Pentair OEM Clean & Clear Plus 520 replacement filter cartridges

Filter tank, cartridge manifold, air relief assembly, tank O-ring, drain plug, pressure gauge, plumbing fittings, cartridge cleaner, and installation labor are sold separately unless specifically included by the supplier.

Warranty & Compatibility

Compatibility Notes

The Pentair 179136 cartridge kit is designed for the Pentair Clean & Clear Plus 520 / CCP520 cartridge filter system.

Common compatibility references include:

• Pentair Clean & Clear Plus 520
• Pentair CCP520
• Pentair filter model 160332
• Pentair cartridge set 179136
• Single replacement cartridge references R173578 and 179135, where applicable
• Compatible 520 sq ft Clean & Clear Plus filter tanks

Always confirm the filter model number, tank label, cartridge dimensions, and existing cartridge part number before ordering. This kit is not for Clean & Clear Plus 240, 320, or 420 filters.

Installation Notes

Turn off the pump and fully relieve filter pressure before opening the filter tank. Remove the old cartridges and inspect the manifold, standpipe, tank O-ring, air relief assembly, and internal support components.

Rinse the filter tank interior before installing the new cartridges. Seat all four cartridges evenly on the lower support and manifold. Reassemble the filter tank carefully, confirm the clamp is properly seated, and bleed air from the filter during startup.

Never open a pressurized filter. Replace the tank O-ring if it is flattened, cracked, stretched, or leaking.

Customer-Facing Q&A

Q: What is the Pentair 179136?
A: It is a genuine Pentair OEM 4-pack replacement cartridge kit for Clean & Clear Plus 520 / CCP520 filters.

Q: What is the SKU?
A: The SKU is 179136.

Q: What is the UPC / barcode?
A: 788379886219

Q: How many cartridges are included?
A: This kit includes 4 replacement cartridges.

Q: What filter does this fit?
A: It fits the Pentair Clean & Clear Plus 520 / CCP520 cartridge filter system.

Q: Does this fit the Pentair 160332 filter?
A: Yes. The Clean & Clear Plus 520 filter is commonly referenced as model 160332.

Q: What are the cartridge dimensions?
A: Each cartridge is commonly listed at 7" diameter, 32-1/16" length, with 3" open top and bottom openings.

Q: How many square feet is each cartridge?
A: Each cartridge is commonly listed at approximately 125–130 sq ft, depending on source format.

Q: Is this a complete filter?
A: No. This listing is for the replacement cartridge set only.

Q: Does this include the tank O-ring?
A: No. The tank O-ring is sold separately unless specifically included by the supplier.

Q: Can I replace only one cartridge?
A: You can replace individual cartridges if needed, but replacing all four together helps maintain balanced filtration and flow.

Q: Should this be professionally installed?
A: Professional installation is recommended because cartridge filters operate under pressure and must be opened, serviced, and reassembled correctly.