The Blagdon Minipond Filter 6000 UVC is a compact and effective complete water garden filtration system. Low maintenance, unique 5 stage filter design. U. V., graded foams, biomedia and polymer carbon cartridge. Integrated UVC clears green water. Hinged lid allows easy access for cleaning. For ponds up to 6000ltr / 1320 gal. Maximum flow rate 3000ltr / 660 gal. Multi hose tail inlet and 1 1/2" outlet. High output power 9w UVC.