Pleatco ULTRA-A7-PAK4 Cartridge – CCP 520 Replacement (Replaces R173578) | ULTRA-A7-PAK4

Pleatco ULTRA-A7-PAK4 Cartridge

High-performance 7″ × ~32″, 130 sq ft filter cartridge for Pentair Clean & Clear Plus 520 (CCP 520). Replaces R173578 and legacy models with advanced media technologies.

Features

• Fits CCP 520 filters and replaces OEM cartridge R173578
• PurePleat design maintains pleat spacing and maximizes media area
• Point-Bonded fabric provides uniform, durable contaminant capture
• Free-Flow Core reduces pressure and extends filter cycle duration
• Also replaces Pleatco PCC130, UniCel C-7472-4, and Filbur FC-1978

Description

The Pleatco ULTRA-A7-PAK4 cartridge brings high-efficiency filtration to the Pentair CCP 520. Featuring advanced PurePleat, Point-Bonded fabric, and Free-Flow Core, it ensures longer filter life and better flow. It's a direct replacement for R173578 and several legacy cartridges, making stocking and maintenance easy and reliable.

Pro Tip

Maintain performance—rinse gently with low-pressure water to preserve pleat integrity and prolong lifespan.

Installation Tips

Confirm the cartridge seats properly within the tank. Check and replace housing gaskets if worn to maintain a tight seal.

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.