Low Density Rigid Filter Mat

The Low Density Filter provides efficient mechanical and biological filtration for your pond. The fmat measures 24″ by 39″ and can be easily cut to your desired size and shape using a serrated knife. This allows for installation in a wide variety of skimmer boxes and filters. The Low Density Filter Mat is 1.5″ thick and extremely easy to maintain, only needing to be cleaned periodically.