These unique cartridges were designed to ensure even distribution of carbon throughout for more thorough filtration and longer cartridge life.
Features:
- High quality activated carbon keeps water clean
- Align cartridge bottom key slot for an accurate fit inside the filter
- Rinse under water to remove carbon dust before replacing
- For optimal performance, change approximately every 4 to 6 weeks
- Do not clean Bioholster when replacing the cartridge as it contains beneficial biological bacteria