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
Size: Small
3 Pack
For MiniBow Aquarium filters 1, 2.5, 5
For Quiet E Internal Power Filter 10
