Product: Tetra Aquarium Filter (AQ-68056),Up to 4-Gallons
Brand: Tetra
FOR 4 GALLON aquariums: This Whisper Internal Power Filter uses small filter cartridges and adjusts easily to high or low water levels.
27 GPH PUMP: The internal 27 GPH pump cycles a 4 gallon aquarium more than 6 times per hour.
TWO FILTERS IN ONE: Cartridge floss catches debris and fish waste, while Ultra-Activated carbon removes odors and discoloration.
SPACE-SAVING DESIGN: Your aquarium can be flush to the wall with the internal filter designed to clip on your tank wall and be hidden by décor.
EVERYTHING YOU NEED IS INCLUDED: This pack contains the hinged lid, tank clip, internal filter and filter cartridge.

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