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Manufacturer:
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Tetra Second Nature
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Whisper Bio Bags contain Whisper Filter Carbon. Whisper Filter Carbon is
Ultra-activated and contains seven absorbent acres of surface area per
ounce. Millions of micro-pores within each granule absorb and lock in
discoloration, noxious odors, dissolved contaminants and hundreds of
other chemicals such as chlorine, insecticides and detergents. Fits Whisper power filters 20, 30, 40, 60, C, 1, 2, 3 and All Triad filters. (Formerly Known As Regular)
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