Used 300 gallon Pfaudler vertical glass lined vacuum receiver. 42" diameter X 44-1/2" high straight side. Clamped dished top, welded dished bottom. Internal rated 25/FV @ -20 to 450 deg F. National Board # 45914. MFR# R290-0763. Built 1990. Glass #5015. Fittings Top: (2) 2" and (1) 3". 2" center bottom drain. Mounted on legs.