Aquascape High-Density Rigid Filter Mats provide maximum filtration efficiency for ponds with their high-density design. The filter mat measures 24" by 39" and can be cut quickly and easily to various sizes and shapes using a serrated knife to fit many skimmer boxes and filters. For optimal performance, combine the 1.5" thick mats with multiple densities to create powerful mechanical and biological filtration. Maintenance is simple, only requiring periodic cleaning.
