Used 1000 gallon Pfaudler #5014 glass lined vertical tank. 56" diameter x 76" high straight side. Welded dished heads. Internal rated 50/FV @ 450 degrees F. NB# 45896. Fittings top: (3) 3" (1) 18" manway. 3" center bottom drain. (5" Glass Damage on Top Head - Needs patch)