Darlly Replacement Filter Cartridge For Pentair Clean And Clear Plus 520 179136 71252 125 Sq Ft

Restore pristine water clarity in your spa or pool with the Darlly replacement filter cartridge designed for Pentair Clean & Clear Plus 520 systems. This cartridge matches the performance specs of the original 179136 unit and is compatible with filters manufactured after November 1998, ensuring reliable filtration for years of use.

Key compatibility and configuration

• Model and compatibility: Pentair Clean & Clear Plus 520 (After 11/98), OEM reference 179136, cataloged as C-7472.
• Media: 4 oz of filter media engineered for efficient debris capture.
• Filtration area: 125 square feet of effective filtration surface to maintain clean water with fewer maintenance cycles.
• Dimensions: 32-1/16" in length, 7" outer diameter.
• End openings: Top and bottom open with 3" openings for easy seating and alignment.
• Installation context: Bottom application in Pentair filter assemblies; designed to sit and seal correctly within the housing.
• Complete set note: Typically 4 cartridges are required for a complete filter set, so plan accordingly when refreshing an entire unit.

Why this cartridge matters

With 125 sq ft of filtration surface and a 32-1/16" length, this Darlly cartridge delivers robust flow and debris handling for spa and pool systems that rely on the Clean & Clear Plus 520 platform. The open-ended design at both ends supports consistent water flow and straightforward installation, helping you maintain clear water and balanced chemistry between cleanings.

Who benefits most

• Pool or spa owners using Pentair Clean & Clear Plus 520 filters seeking a cost-effective, reliable replacement.
• Maintenance teams who standardize on a four-cartridge setup for complete filter replacements.
• Anyone upgrading from older OEM cartridges who wants a dependable alternative that matches filtration performance.

Practical usage tips

• Before replacement, power off the pump and relieve system pressure. Remove the old cartridge, rinse the housing, and inspect seals for wear.
• Install the Darlly cartridge with even seating, ensuring the 3" open ends align properly with the housing ports for optimal flow.
• Lightly lubricate the O-ring with a silicone-based lubricant if reseating is snug; avoid petroleum-based oils which can degrade seals.
• For best results, replace all cartridges in the set at the same time to maintain balanced flow and filtration across the entire system.

Compare and choose with confidence

This Darlly replacement cartridge provides a practical, budget-conscious alternative to OEM parts while maintaining the essential filtration characteristics of the Pentair Clean & Clear Plus 520 series. By delivering the same 125 sq ft filtration capability and compatible 32-1/16" length with 7" diameter, it helps you keep water clarity high, pump efficiency steady, and maintenance cycles predictable.

Upgrade your filter today with the Darlly 71252 cartridge to restore filtration performance and keep your spa or pool water tasting and looking its best.