Used Walker Stainless Tank, 9000 Gallon, 304L Stainless Steel, Vertical. 144" Diameter x 144" straight side, dished top and bottom. Openings top (2) 1", 1-1/2", (2) 3", 24" man way. Side (3) 1", 3", side bottom man way. 2" Center bottom outlet, approximate 24" discharge height. Mounted on 8 stainless steel legs. Serial# 2540-17573, built 1996.