300 gallon Pfaudler vertical glass lined vacuum receiver. 42†diameter X 44 ½†high straight side. Clamped dished top, welded dished bottom. Internal rated 25/FV @ -20 to 450 o F. National Board # 45865. MFR# R290-0757. Built 1990. Glass #5015. Fittings Top: (2) 2†and (1) 3â€. 2†center bottom drain. Mounted on legs.