This Bio Bead Filter is a pressure filter commercial system, designed to filter out debris as small as 20-25 microns in size. Its energy efficient and back washable and extremely quiet operation, it is perfect for any pond or water feature. Ideal for ponds that need real filtration for the small ponds with too many fish and too many large fish. Features: Filter tank comes with MM Bio-Seed nitrifying bacteria 2" Plumbing for quick servicing 7 Position 2" valve system Includes Start-up Bacteria Comes assembled ready to use. Gauge indicates when to backwash. Quick unions allow for easy removal. One inch screen drain for winterizing. Two year warranty. Can be buried or hidden with artificial rock or landscaping for above ground installation. Modular System Designed for 2k gal ponds. UV available call for details. 800-493-0564
