Interpet Internal Power Filters are Contain a triple functioning filtration system for healthier fish tanks and aquariums.
The Mini and PF1 includes a foam carrier flow contol, head rotation, venturi and aqua valve.
PF's 2 and 3 have all the features of the PF1 and Mini and in addition they have a seperate Biomedia chamber.
The huge surface area of this Biomedia provides superior filtration.
Furthermore it allows the filter...