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!)
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