Flow-through filters
Flow-through filters: Best prospects
Flow-through filters are used for medium-size and large ponds, or even for koi ponds. They stand above the water surface at the edge of the pond or above a watercourse. Thus the water flows back into the pond via gravity. Flow-through filters are ideally suited for ponds up to 140 m³, particularly if rigorous requirements are imposed on the circulation capacity.
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