Pentair ULTRA-A7-PAK4 Pleatco Advance Ultra Filter Clean & Clear 520 (Pak4) Replacement R173578

Product Description

The PENTAIR ULTRA-A7-PAK4 Pleatco Advance Ultra Filter Clean & Clear 520 (Pak4) is designed for powerful filtration in pools using the Pentair Clean & Clear Plus 520 cartridge filter system. Each cartridge utilizes PurePleat media, Point-Bonded fabric, and Free-Flow Core technologies to capture dirt and debris while maintaining water flow and lower operating pressure. It replaces R173578 and legacy models.

• Advanced PurePleat filtration media
• Free-Flow Core technology for improved circulation
• Durable point-bonded filtration fabric

Product Highlights

Provides efficient debris removal, long service life, and easy rinse-and-reuse maintenance for clean pool water. Direct replacement for Pleatco PCC130, UniCel C-7472-4, and Filbur FC-1978.

Product Information

Standard Information

• Brand: PENTAIR
• Manufacturer Part Number: ULTRA-A7-PAK4

Technical Specifications

• Diameter: 7 inches
• Length: 32 inches
• Top Opening: 3 inches
• Bottom Opening: 3 inches
• Filtration Area: 130 sq ft per cartridge (520 Total)
• Quantity: 4 cartridges per pack
• SKU: ULTRA-A7-PAK4
• Product Type: Pool filter replacement cartridge
• Size/Connection: 7″ × ~32″, 130 sq ft media for CCP 520 filters
• Materials: PurePleat media, Point-Bonded fabric, Free-Flow Core
• Compatibility: Pentair Clean & Clear Plus Cartridge Filter 520 | EC-160332, Pentair Clean & Clear Plus 520 Cartridge Filter | 160332, Pentair Genuine Replacement CNC Plus 520 Cartridge - 4 Pack | 179136