Used 2000 gallon Pfaudler chemstor vertical glass lined vacuum tank. 7' diameter X 5' 10" high straight side. Welded dished heads. Internal rated 35/FV @ 450 deg F. #5014 glass. National Board # 44089. MFG S/N R286-0074. Mounted on legs giving 12" clearance to floor. 3" center bottom drain. Fittings Top: (1) 18" manway and (3) 3" flanges.