Pentair 105 Sq. Ft. Filter Cartridges (Set of 4)

Pentair 420 Filter Cartridges keep your pool water clear, clean, and ready to enjoy with strong, efficient filtration. This 4-pack is designed for Pentair Clean & Clear Plus 420 systems and compatible equivalents, giving you a simple, high-performance replacement option.

Each cartridge offers a large filter area to trap fine dirt, debris, and contaminants, helping your pool stay sparkling with less frequent cleaning. Durable polyester media and quality construction support strong flow and longer life, so you can spend more time swimming and less time on maintenance.