Used NST Metals stainless steel 900 gallon vertical tank, 60” diameter, 72” straight side. MWP of 100 PSI, National Board number 784, The top has one -18” RFSO flange manway and with 2" RFSO flange in blind flange, The far upper top side has one-3” RFSO flange. The bottom has a 3” RFWN flange with one- 1” side threaded coupling. The bottom flange is bolted to a 2" reducing flange with 90 degree elbow. Built in 1982. Serial #4604, Overall Height with legs is 124” tall X 72” W x 72” D.