Three filters in one for cleaner water and healthier fish. All Whisper power filters use easy to change Bio-Bag filter cartridges which remove particles floating in your aquarium while also removing discoloration and odors with its activated carbon. Biological filtration is provided by the Bio-Foam

Whisper PF 10 – 90 GPH
Whisper PF 20 – 105 GPH
Whisper PF 30 – 145 GPH
Whisper PF 40 – 210 GPH
Whisper PF 60 – 330 GPH