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Your cart is empty.Replacement filter cartridge fits Koller Products aquariums with power filters using filter cartridges size Small. Keeps water crystal-clear and fish healthy by removing organic pollutants and other impurities from your aquarium's water. Comes with 3 ready-to-use replacement filters cartridges.
Timothy Toney
Reviewed in the United States on March 5, 2025
Excellent product
Gene Shk
Reviewed in the United States on August 24, 2024
I am not sure if it’s the size but the filter does not retain the waste of fishI don’t think it works well for meI have two small tanks and both are dirty on day two after replacing water and filters
David G
Reviewed in the United States on June 25, 2024
Used to be reasonably priced, now it's ridiculous!
Melanie Cook
Reviewed in the United States on March 18, 2024
The media could not be loaded.
natalie r.
Reviewed in the United States on December 19, 2024
It does clear the water but I find I’m changing the filters more often. Value for money isn’t worth it. Design is great. Size is perfect and is is made well
Kayleigh
Reviewed in the United States on January 14, 2024
These work great for my filter and last me about a month with four fish in my tank. True to size and inexpensive! Filter out my tank nicely.
Samantha M
Reviewed in the United States on September 30, 2023
I’ve been using these in my tank for about 6 months, I change them about every 6 weeks and they work great!
Ana
Reviewed in Mexico on July 1, 2023
Es un producto muy bueno ya los he pedido varias veces
Adriana Lazo
Reviewed in the United States on November 2, 2023
It's pretty good. For my fish tank it is a bit long. Other than that it is easy to use and pretty easy to clean.
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