XtremeBlue A7 CCP520 Single Filter Cartridge | X15-ULT-A7-M Pool Liner Vacuums Exterior bumper for better protection

Exterior bumper for better protection

Pentair Part Number 59000500 Part Name Spider

System 3 Modular Media Filter model S7M120 requires 7 rings

demineralizers or sequestering agents can be used to clear the water

Easily installs into your pool's return fitting

XtremeBlue A7 CCP520 Single Filter Cartridge | X15-ULT-A7-M Pool Liner Vacuums Exterior bumper for better protectionSuper Pro X15 ULT A7 M XtremeBlue A7 Single Replacement Filter Cartridge, for use with Pentair Clean & Clear Plus 520 Cartridge Filter. This is a single cartridge replacement. Clean & Clear Plus 520 requires four to fully service. We recommend the 4 pack if you are completely reservicing your filter.