Matala Pond Filter Media 22" Round x 6" thick- Gray

Gray- FINE Density The ideal "drop-in" media for vortex and barrel filters, the open, highly aerobic 3-dimensional structure of Matala filter media promotes healthy water conditions and ease of cleaning in a wide variety of designs. This is simply the most effective, longest lasting, crush resistant filter material available today! Easily trims to fit Aquascape, Savio, American, Easy Pro, Laguna, Cyprio/Hozelock, etc. skimmers and filters- just to name a few. Specially sized for round vortex or barrel filters. 22 in. diameter, 6 in. thick. Features: A choice of densities allow for step-wise transition from mechanical to biological filtration Excellent surface area per sq. ft. with good adhesion of nitrifying bacteria. A high number of interstitial spaces in the tri-dimensional matrix of the filter media improves an early and even growth of bacteria. High free volume for smooth, even water flow throughout. Very resistant to plugging & easy cleaning. Mats are self-supporting, form-stable, rigid and non-brittle. Easy to peel away layers and cut to fit with heavy duty Scissors, utility knife, circular saw or jig saw! Non-toxic to the environment. Light weight. Versatile and durable. Lasts for many years- 6+ (2-5 times longer than ANY other mat on the market!)