Undergravel Filters are placed beneath the gravel at the base of the aquarium for filter purpose. Undergravel filters can be used together with the Submersible Pump/Filter to achieve the desired effect.
Model - Size
UF-12P - 18" x 12"
UF-16P - 23" x 12"
UF-20P - 28" x 12"
UF-24P - 34" x 12"
UF-28P - 39" x 12"
UF-32P - 47" x 12"
