Used 2000 gallon Whiting Metals vertical T-304 stainless steel tank. 84†diameter x 85†high straight side. Dished top, sloping bottom. Designed for 10 PSI @ 120 degrees F. #2B finish interior all welds grind smooth. Fittings top: (2) 2†(1) 4†(1) 1 ½â€. Side bottom: 20†manway, (1) 2†(2) 1â€. (1) 1" side top fitting