Pentair Clean & Clear Plus 520 Cartridge [4 Pack] (179136) lightingbulbs A brush helps a compatible

A brush helps a compatible robotic cleaner maintain contact with pool surfaces while supporting movement and scrubbing action

2-1/4 inch face diameter

Useful when replacing a failed or noisy original pump

and surface coverage

Pentair Clean & Clear Plus 520 Cartridge [4 Pack] (179136) lightingbulbs A brush helps a compatibleLarge cartridge systems depend on clean, properly sized cartridges to maintain flow and water clarity. This four pack of Pentair Clean & Clear Plus 520 cartridges provides a complete replacement set for compatible CCP 520 filter systems. Replacing the full set together helps balance filtration performance across the tank and can reduce pressure issues caused by uneven or aged elements. Four cartridge replacement set for compatible 520 sq ft systems