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Millennium® external wet/dry multi-filter
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| Millennium® wet/dry multi-filter combines mechanical, chemical, and wet/dry biological filtration functions in an innovative and efficient tank mounted external filter unit. The unique BioGrid TM plate provides a high surface area of biological filtration that is separate from the MechaniChem® filtration cartridge. In this way, biological filter functions are preserved when the MechaniChem® cartridge is replaced. A venturi air valve mixes oxygen with filtered water to improve gas exchange. | |||||||||||||||||
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