Purzest 4-Pack CCP 520 Pool Filter Cartridge Replacement for Pentair Clean & Clear Plus 520 (#160332), Waterway 525 | 520 Sq. Ft. Compatible with Unicel C-7472, FC-1978, OEM 178585, R173578 — Open-Box, 14% Off

520 SQ FT PROFESSIONAL 4-PACK: Includes four premium pool filter cartridges providing a combined 520 square feet of filtration area. Constructed with advanced 5 oz+ Trilobal Fabric, these filters trap finer particles than standard point-bonded material, ensuring superior water clarity and longer cycles between cleanings.t traps finer particles and extends filter cycles. 5 oz+ weight for durability. PRECISION FIT & VERIFIED COMPATIBILITY: Engineered as a 1:1 drop-in replacement for Pentair Clean & Clear Plus 520 (#160332) and Waterway 525 systems. Also a verified alternative to Unicel C-7472, Filbur FC-1978, and OEM part numbers 178585, R173578, PCC130-PAK4, and 817-0131. Dimensions: 7" OD x 32" Length x 3" Open Hole. ENERGY EFFICIENT HIGH-FLOW DESIGN: The optimized pleat spacing and open-core design significantly reduce backpressure on your pool pump. This allows water to pass through more freely, lowering energy consumption and operating costs while maintaining optimal circulation. TOOL-FREE, LEAK-FREE INSTALLATION: Features precision-molded end caps for a 100% leak-free seal. Once the filter tank is open, this direct drop-in design requires no tools—simply remove the old cartridges and set the new Ultra Series filters in place. ULTRA SERIES DURABILITY: Designed for heavy-duty residential and commercial use. The robust trilobal media resists pleat collapse and fiber breakdown even under high-pressure conditions, making it an ideal long-term replacement for Pentair Clean & Clear Plus 520 maintenance kits.y our Ultra Series quality assurance for long-lasting performance and crystal-clear water.

Upgrade Your Pool Filtration with Ultra Series Trilobal Technology

Experience crystal-clear water and lower operating costs with the Ultra Series 4-Pack Pool Filter Cartridges. Specifically designed as a high-performance alternative to the Pentair Clean & Clear Plus 520 (CCP520) and Waterway 525, this set delivers 520 square feet of professional-grade filtration. Unlike standard paper filters, our 5 oz+ Trilobal Fabric uses three-sided fibers to increase surface area and trap microscopic debris more effectively, resulting in cleaner water with fewer chemical demands.

Engineered for Compatibility & Savings
This 4-pack is a precision replacement for OEM models #178585, R173578, PCC130-PAK4, and Unicel C-7472. The advanced high-flow spacing minimizes restriction inside the tank, reducing backpressure on your pump motor. The result? Reduced energy usage and extended equipment life.

Hassle-Free Maintenance
With exact dimensions of 7" Outer Diameter x 32" Length x 3" Open Hole, these cartridges drop right into place without forcing or modification. The end caps are engineered to seal perfectly the first time, ensuring no bypass of unfiltered water back to your pool.

Specifications:

• Quantity: 4-Pack
• Total Filtration Area: 520 Sq. Ft.
• Dimensions: 7" OD x 32" L x 3" Open Hole
• Material: 5 oz+ Trilobal Fabric
• Compatible Models: Pentair Clean & Clear Plus 520 (#160332), Waterway 525
• Replaces Part Numbers: CCP520, 178585, R173578, 817-0131, Unicel C-7472, Filbur FC-1978