Fluval U4 Bio-Foam
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Fluval U4 Bio-Foam
Fluval’s Bio-Foam has been designed for both mechanical and biological filtration, the complex foam structure of the Bio-Foam allows long lasting effective filtration and ideal surface area for beneficial bacteria.
The U4 Bio-Foam is specifically designed for the Fluval U4 Internal Filter, it’s advisable the foam should be replaced every 3- 6 months to ensure optimum filtration.
At a Glance
2 Foams per pack
Designed for the Fluval U4 Internal Filter
Mechanical and Biological Filtration
Suitable for Freshwater and Marine
Advisable to replace every 3 – 6 months
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