20 gallon Pfaudler vertical glass lined vacuum receiver. 20" diameter x 18 3/4" deep. Clamped top. Internal rated 30/FV @ 650 degrees F. Jacket rated 100/FV @ 350 degrees F. NB# 38871. Fittings top: (1) 4" (2) 2" and (1) 1 1/2". 2" center bottom drain. Mounted on legs.