The BioPress UVC ensures a clear pond for your enjoyment and the health of your ponds ecosystem. The pressure filter, with built-in UV Clarifier, is ideal for waterfalls at higher elevation. It offers mechanical and biological cleaning, and promises the fast and thorough transformation of green water. The BioPress UVC is easy to operate and requires minimal upkeep. Filter foam and bio-media provide a large surface area for beneficial bacteria to settle. The BioPress UVC promises discretionthe canister portion of the unit can be buried and concealed. The quick release allows for easy opening and closing when maintenance is required. The BioPress UVC 1000 is suitable for ponds up to 1,000 gallons; BioPress UVC 1600 for 1,600 gallons (and includes bio-media); and BioPress UVC 2400 for up to 2,400 gallons (and also includes bio-media). When used in conjunction with the BioPress UVC, the AquaMax Eco Classic or AquaMax Eco Premium qualify for the OASE Clear Water Guarantee. Clean and clear water will allow passersby to watch underwater life. Enjoy!