popular ! Tetra Whisper Aquarium Power Filter, up to 30 gallon aquariums/fish tanks

For a crystal clear aquarium, this filter completely eliminates toxic ammonia and nitrites.
Economical and straightforward to use, even for beginning aquarists.
Provides efficient three-stage filtration—mechanical, chemical and biological.
The scientifically engineered water flow provides a continuous flushing action to prevent debris buildup.
Optimum outflow maximizes water agitation and oxygenation.
Ensure your Tetra Whisper Aquarium has the quiet, reliable filtration it needs with the Whisper Power Filter. This hassle-complimentary-to-use system introduces your tank to three stages of filtration—mechanical, chemical and biological—to completely eliminate toxic ammonia and nitrites for a crystal clear aquarium. Its water flow was scientifically engineered to create a continuous flushing action, which can help prevent debris buildup and keep your tank cleaner than ever.