GRAVITY FILTERS

Tonka has a wide variety of gravity filter applications for surface, groundwater, or tertiary filtration. Our tanks can be manufactured in round, square or rectangular configurations and can be made of steel, aluminum or stainless steel. Tonka also provides design and internals for concrete filters constructed on site. Tonka offers a wide variety of filter internals including Simul-Wash" backwash system, Uni-Cast" underdrain system, and a wide range of filter media. Tonka filter systems can also be incorporated with a variety of underdrain systems manufactured by others.