Tetra Large Aquarium Carbon Filter. Fish waste, uneaten food and other organic matter can cause toxic levels of ammonia and other pollutants which can be harmful to your fish. Tetra Large Aquarium Carbon Filter is made of layers of multi-density floss that effectively trap even the smallest particles and its activated carbon rapidly eliminates odor, discoloration, impurities and toxins.
Designed to fit the Whisper EX Filtration System
Traps even the smallest particles, nothing gets past this filter
Removes odors and other impurities
Made with layers of multi-density floss
Easy to install
Ready to use. Simply add to Whisper EX30, EX45, and EX70.