Whisper® Internal Power Filter

Product No. 25846

Whisper® Internal Power Filter is rated 2.7 out of 5 by 10.
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The Tetra Whisper internal aquarium filter is the ultimate in quiet, convenient 3-stage filtration. The dual-sided mesh of the Bio-Bag® catches debris and fish waste while the activated carbon absorbs odors and discoloration. Biological filtration is provided by the Bio-Scrubber. Bio-Scrubber's anti-clog design provides complete biological filtration with the convenience of less maintenance. Because the Bio-Scrubber has a solid back, water is forced to flow evenly over the bacteria-rich bristles. The filter is submersible. 

NOTE: The filter now comes with a clip to hold the filter. If suction cups are needed please contact Consumer Services at 1-800-322-1266.


This product comes in the following sizes:
Whisper 3i - 20 GPH
Whisper 10i - 80 GPH
Whisper 20i - 125 GPH
Whisper 40i - 170 GPH
Rated 5 out of 5 by from Nice! Quiet, and easy to set up. Works beautifully Not sure what everyone else with bad ratings was talking about. The pump is quiet enough. Cute lit tank.
Date published: 2018-06-01
Rated 5 out of 5 by from Quiet and good so far Set mine up yesterday and it is quiet and working properly, maybe it’s a new design since some people seem to hate it. I just wish with my bubbling led there was a way to turn off the led lights and leave the bubbles on.
Date published: 2018-05-25
Rated 2 out of 5 by from Nothing is coming through the hose and water foggy Ive been using this for about 3 months and its worked perfectly now it doesnt pump the water and the tank looks cloudy
Date published: 2018-04-25
Rated 1 out of 5 by from Nice filter. But so noisy for a small pump. The filter looks great and the flow is perfect for small tank. But the little pump attached to the Whisper 3i is so noisy. There's a huge vibration sound so i got to stop the pump every night before sleeping... Not if my pump is defective or its always like that :S
Date published: 2018-04-03
Rated 4 out of 5 by from Whisper 40i doing a great job Super quiet, easy to set up and its keeping my tank crystal clear. The only difficulty is I keep the water level high in the tank so the clip did not keep the filter high enough. The suction cups aren't the easiest to install (I had to use a small screwdriver to gently persuade them into the holes) but they hold on well.
Date published: 2018-03-22
Rated 1 out of 5 by from Quit working after a couple of hours I bought the 10i as a temp filter till i got a better one a couple of days ago and put it in today and it worked when i plug it in,when I went to check on it ,it wasn't running .Tried plugin it into different outlets still nothing.Sad thing is i can't return it after its been in my tank.Wasted 16 dollars for a filter that doesn't work.
Date published: 2018-03-17
Rated 5 out of 5 by from Good little filter I bought the 10i about two months ago. It was originally for my 10g quarantine tank, where it did its job. But now I've been using it as a secondary filter for my 20g tank because the one that came with the tank wasn't very good. It does get louder as water evaporates out of the tank, but if you keep the water topped off right up to the lip of the filter there's just a soft trickle of sound. I do wish it still came with the suction cups, but that's a minor issue and they provide an 800 number for that.
Date published: 2018-03-16
Rated 1 out of 5 by from Look for something different. Came with a 10 gallon half moon kit less than two weeks ago, which has 2 small goldfish in it. I'm 46 and grew up with fresh and salt water fish. Was suspicious of the low sides and back of this filter with the water level from the start. First and last experience using an in tank filter with this poor design. Have had to change filter media 3 times, the last on Sunday...it's Wednesday and water was overflowing out of the back of the filter and behind/out of the tank. Glad that I check it daily. If you think you hear water dripping, it is.
Date published: 2018-02-22
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