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Tetra Carbon Filters for Whisper EX Filters remove odor and discoloration from aquarium water using multi-density filtration. A coarse layer removes larger particulates, while a layer of activated carbon rapidly removes odors, discoloration, impurities and toxins to leave your water clear, healthy and polished. A multi-density layer, specially designed to a capture a full range of particulates, gives you unmatched water clarity. Use these replacement filters in your Whisper EX water filter. These replacement filters are assembled and ready to use for your convenience. Clear water made simple. Choose the medium size carbon filter to fit the Whisper EX20 Filter; choose the large carbon filter to fit the Whisper EX30, EX45 and EX70 Filters.
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