Description
- REPLACEMENT FILTER CARTRIDGE: Keeps aquarium water clear – removes odors and discoloration and helps reduce buildup on aquarium glass.
- STAY CLEAN™ TECHNOLOGY: By maintaining healthy pH levels, creates easier maintenance for healthier fish.
- FITS TETRA® WHISPER® AQUARIUM FILTERS: Color coded to make it simple to remember which cartridge size to purchase.
- CONVENIENT: Pre-assembled, ready to use and easy to replace.
- USAGE: Change monthly or sooner if needed.
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