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TetraTec IN filters contain a foam sponge, through which aquarium water is recirculated. This sponge acts as both a mechanical filter, straining out particles of solid waste, and as a biological filter. As water is pumped out of the filter, it draws in air through a 'venturi' attachment, thus helping to re-oxygenate the water.
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IN 400 Tetra tec
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400l/ph
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24 inch aquaria
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IN 600 Tetra tec
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600l/ph
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36 inch aquaria
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IN 800 Tetra tec
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800l/ph
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48 inch aquaria
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IN 1000 Tetra tec
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1000l/ph
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60 inch aquaria
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