Tetra's Whisper filter cartridges provide both mechanical and chemical cleaning of your aquarium's water. They're easy to replace and remove waste particles, odors and discoloration. Choose from pre-assembled and un-assembled filter cartridges as well as other types of filter media.
Tetra Carbon Filter - Large (4 pack) Now a Carbon Filter as innovative as the Whisper EX Filtration System it's designed to
fit. Tetra Carbon Filters' layers of multi-density floss effectively trap even the smallest
particulates while activated carbon rapidly eliminates odor, discoloration, impurities, and
The result? Water that's clear, healthy, and polished.
Carbon Filters come ready-to-use and include one patented Timestrip change indicator
for each Filter.
Stockpile by johnnybozis from Richmond, VA11/05/2011
I bought several extra filters so I will never have to leave home again. Well, I guess I will leave my home at some point, but I wont need to buy filters for my 20 gallon fish tank for the next few years.
The filters are working well.
by Jerry from Stevensville Mich07/16/2012
Keeps the fish tank clean and clear for about three weeks.