300 gallon Pfaudler vertical glass lined vacuum receiver. 4' diameter X 44" high straight side. Clamped dished top, welded dished bottom. Internal rated 25/FV @ 20 to 450 oF. National Board # 45946. MFR# R2900766. Built 1990. Glass #5015. Fittings Top: (2) 2" and (1) 3". 2" center bottom drain. Mounted on legs.