Used Bio-fermentation vessel, apporximately 15 gallon (Approx 50 liter) capacity, 13" diameter x 32" high, dished bottom, jacketed, stainless steel construction, polished internals, agitated with (2) 4-blade paddles mounted on common shaft, vessel has (7) sample ports at the bottom of vessel, 1" diameter, with (2) ports including intrac 797 sterilizable retractable housings. Top head includes numerous openings ranging from 1/2" to 1-1/2". Has 10" long sight glass near top of vessel. Very good condition.