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🐠 Keep your mini aquatic world sparkling — because your fish deserve the best!
Tetra Whisper Filter Cartridges (4-pack, extra small) provide efficient aquarium filtration for tanks up to 3 gallons. Featuring Ultra-Activated® carbon to remove odors and discoloration, and a dual-sided dense mesh to trap debris and fish waste, these ready-to-use cartridges simplify maintenance with biweekly replacements. Trusted by fish enthusiasts since 1951, they ensure crystal-clear water and a healthier aquatic environment.
| Customer Reviews | 4.7 out of 5 stars 11,535 Reviews |
N**S
What I needed
I bought small beta tank at Walmart but they don’t carry media for those filters. Amazon was the only place I was able to find this size! It fits and works for my son’s beta fish. Will buy again. Reasonable price and fast delivery.
C**Y
Excellent Quality!
Excellent Quality and fits perfectly. Easy to use and change out. Great price. Would buy again.
A**D
Quiet sturdy and the perfect size
Great price and great quality exactly what I needed for my shrimp aquariums
E**A
Very good product.
Perfect size for my fish tank
C**L
Great filters
I've been using these filters for our small fish tank for over a year now and they work great.
Q**O
Easy and great for unique projects.
I have two paludariums with very small. mini pumps. These pumps are great but do not have a filter system. I bought these and created a super simple filter for my waterfall! I took a mini plant pot (1-2inch) that came with some of the little plants. In that pot I nestled one of these mini filters at the bottom and then placed the pot below the waterfall where the water comes off the rock. The plants hide the pot and the filter helps to keep the water clean! These are perfect, easy to use, and easy to change! While I may not be using them in the traditional manner I feel these are fantastic if you have an unusual project that you need to create a filter for.
S**D
Good product
Fits perfectly in the filter. Stays intact for about a month with cleaning.
N**C
Filters work well and last.
The aquarium filter works well to remove scum. I rinse the filter with my sink sprayer occasionally to clean it off and use it until necessary replacement.