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Fluval U4 Underwater Internal Filter


Fluval underwater filters with three stage filtration are ideal for use in fresh marine or reptile environments. Stage 1 foam removes large particles. Stage 2 polycarbon cartridge traps fine debris improves water clarity and removes impurities. Stage 3 BIOMAX provides optimal biological filtration efficiency.


For aquariums terrariums and turtle tanks Ideal supplemental or standalone filter or for installations where external filtration is not possible Filters debris and provides optimal biological filtration Silent and efficient Simple to install and maintain Engineered and manufactured in Italy

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