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Sale!Specifically designed for the Fluval U1 filter, the U1 Bio-Foam Pad captures large particles & debris for effective mechanical filtration.
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Sale!Specifically designed for the Fluval U3 filter, the U3 Bio-Foam Pad captures large particles & debris for effective mechanical filtration.
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Sale!Specifically designed for the Fluval U2 filter, the U2 Poly-Max Cartridge helps control green water & unsightly algae growth by trapping & adsorbing phosphate, nitrite & nitrate.
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Sale!Specifically designed for the Fluval U2 filter, the U2 Bio-Foam Pad captures large particles & debris for effective mechanical filtration.
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Sale!Specifically designed for the Fluval U2 filter, the U2 Poly-Carb Cartridge has two unique filtering sides that combine to provide thorough chemical filtration.
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Sale!Specifically designed for the Fluval U4 filter, the U4 Bio-Foam Pad captures large particles & debris for effective mechanical filtration.
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Sale!Specifically designed for the Fluval U3 filter, the U3 Poly-Carb Cartridge has two unique filtering sides that combine to provide thorough chemical filtration.