• Chamber top is molded of clear polycarbonate for full visibility. • Will withstand a full vacuum at room temperature. • Strong ABS plastic plate with an O-ring seals against the chamber’s flange. • Polypropylene stopcock with Teflon TFE plug accepts ¼” I.D. tubing. • Chamber I.D. is 200 mm and maximum inside height is 110 mm. • Plate dimensions (Dia. x H): 232 mm x 44 mm.