* This product has been retired and will not be restocked once inventory runs out *

Keeping a clean and clear aquarium can be daunting. That's why Tetra® brand created Stay Clean™ filter technology for easier maintenance and healthier fish. The integrated design gives you a Stay Clean tablet with time release design, leaving you with healthier water and cleaner glass.

• Water clarifier
• Active cleaning
• Easier maintenance
• Integrated design
• 1 count - comes assembled

Whisper® Bio-Bag® Cartridges with Stay Clean™ Technology Large fits:

• Whisper IQ 20
• Whisper IQ 30
• Whisper IQ 45
• Whisper IQ 60
• Whisper 20i
• Whisper 40i
• Whisper PF20
• Whisper PF30
• Whisper PF40
• Whisper PF60