Rite Size Penguin Filter Cartridge C 3-Pack

Inside the cartridge, a patented ribbed backing ensures the even distribution of activated carbon to deliver maximum water-to-carbon contact. No more "tea bag" effect, no water bypass as with loose or bagged methods. The result? Crystal clear, crystal clean water.

Features
• Large Polyfiber Filter Pad with Patented Ribbed Back Traps more dirt, faster...no filtration bypass
• Up to 100% More Carbon Superior Black Diamond Premium Activated Carbon removes more pollutants.
• Ready-To-Use Convenience No messy assembly required. Changes in an instant.