SHAPE IS CYLINDRICAL;MAX OPERATING PRESSURE IS 3000.000 POUNDS PER SQUARE INCH;CUBIC CAPACITY IS 100.000 CUBIC INCHES;PORT SCREW DIAMETER IS 0.250 INCHES NOMINAL;PORT SCREW THREAD SERIES DESIGNATOR IS UNF;THREAD CLASS IS 3;BLEEDER OPENING INCLUDED;INCLUDES METAL DRAIN TUBE WITH VALVE