OASE’s BioPress in-line pressure filter offers biological and mechanical filtration that can be located remotely. It uses mechanical, biological filtration and ultraviolet light to keep water features up to 1,600 gallons clear. Simply pull the integrated cleaning handle up and down to clean and backflush the filter foams without removing the cover. The quick release clamps make opening and closing the filter when preforming maintenance tasks, easy. The canister may be buried up to the clamps, make sure to use the OASE FiltoCap to completely conceal the filter. The moving bed bio-media offers additional surface area for beneficial bacteria only with the BioPress 1600. You can easily monitor the UVC, filter performance and pollutant level without opening filter. It’s best used with pumps with a 17' shut off or less and waterfalls up to 7' higher than the filter. The BioPress 1600 has a maximum flow of 2,000 GPH and a pond volume of up to 1,600 GPH. The BioPress 1600 has a light fish load of less than 1,600 gallons, a medium fish load of less than 800 gallons and a heavy fish load of less than 400 gallons.