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  1. Hydrodynamic Mattenfilters

    TFK U.S. Classifieds
    Hey everyone! I'm sure by now a lot of hobbyists have heard of the Poret foam filters for their tanks... We make a similar filter that we simply call the Hydrodynamic Mattenfilter. These filters are a 40ppi 2" thick black foam material that is made in the USA. We CNC cut each filter prior to...