The 1.75 cu.ft. AquaBead LH is a big workhorse in a small package. The 1.75 cu. ft. model is rated for ponds up to 2500 gals. with flow rates not over 50 gpm for bio-mechanical filtration. The 1.75 can handle fish loads of 90 lbs. Comes complete with all 2" union fittings for maximum flow and all the "Bells and Whistles" of the larger units. Tank measures 19" X 31". Has all the great features of the AlphaONE LH units without the flow loss issues associated with the water flowing through the Multiport valve. ---2249.95