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

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 and Whisper PF60