Tetra Whisper Power Filter - PF-20 (10-20 Gallon Aquariums) | CritterWarehouse.com

Tetra Whisper Power Filter

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Key Features

  • Mechanical Filtration - Removes uneaten food, bits of plants and fish waste
  • Biological Filtration - Provides for growth of a colony of beneficial bacteria that will eliminate harmful toxins in the water
  • Chemical Filtration - Activated carbon removes compounds that cause odors and discoloration of the water|
  • Pumps 330 gph, designed for aquariums up to 60 gallons


Tetra Whisper Power Filter for Aquariums PF-20 (10-20 Gallon Aquariums)

Tetra Whisper Power Filters are the best-selling brand of power filters in the U.S. Appropriate for every size aquarium, they provide the three types of filtration that your aquarium needs:

The Tetra Whisper Power Filter contains a hinged lid for improved ergonomics / ease of use, an improved compact aesthetic design, time strip indicators, a convenient top-mounted flow control dial and packaging upgrade. Hang on back HOB power filter for easy installation.

Designed for ease of use, Whisper Power Filters use Bio-Bag filter cartridges for mechanical and chemical filtration. The disposable Bio-Bags remove waste particles, discoloration and odors from aquarium water. Bio-Bags are easy to change, making it easy to maintain clear aquarium water.


Whisper 20: 105 GPH - (7.25"L x 3.5"W x 7"H) - Use Large Bio-Bags

Whisper 30: 145 GPH - (8"L x 4.5"W x 7.25"H) - Use Large Bio-Bags

Whisper 40: 210 GPH - (8"L x 4.5"W x 7.5"H) - Use Large Bio-Bags

Whisper 60: 330 GPH - (13.5"L x 4.5"W x 7.5"H) - Use (2) Large Bio-Bags


Brand Tetrafauna
UPC 046798257721
SKU 25772
Item Number L-WL2577290913D38-18327
Size PF-20 (10-20 Gallon Aquariums)
Weight 1.56 lbs.
Pkg Dimensions 7.56" (L) x 7.38" (W) x 4.44" (H)

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Reviewed by Penny C. on Jun 17, 2021

This can be a real power house filter with a slight modification.

Reviewed by Jordan O. on May 22, 2021

Great product, keeps up and super quiet! my 30 gallon tank has not been cleaner!

Reviewed by Allison S. on Jan 9, 2021

I bought a pack of large filters with it also and changed the filter this morning because it was pretty green and I didn't want to work the pump ...

Reviewed by Kristine Rujawitz on Sep 25, 2020

An excellent and economical filter that works very well

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