Pleatco ULTRA-A7-PAK4 Cartridge – CCP 520 Replacement (Replaces R173578) | ULTRA-A7-PAK4 Paramount Retro we recommend the All Metal

we recommend the All Metal Tool

and forms of algae

Comparator #9056

consider upgrading to the latest valve technology compatible with your system

Pleatco ULTRA-A7-PAK4 Cartridge – CCP 520 Replacement (Replaces R173578) | ULTRA-A7-PAK4 Paramount Retro we recommend the All MetalPleatco 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