Benefits of the Aquascape MicroFalls™ * The MicroFalls™ will help create the most natural looking waterfalls possible! You won’t see a plastic box sitting off to the side of the pond like most of the filters out on the market. The MicroFalls™ is surrounded with the soil excavated from the pond. Out of sight...out of mind! * MicroFalls™ house the beneficial bacteria that go to work to clean the pond * Can filter up to 1,000 gallons * Requires cleaning only once a year! * Made from tough, roto-molded, high density polyethylene plastic * Can handle pump flow rates up to 2000 gallons per hour * Up Flow Filter