T YPICAL P ORTABLE D EWARS 160 Liter LN 2 Dewar, 230 PSIG with pressure building and CGA connection, Airgas ID-NI160LT230PB 160 Liter LN 2 Dewar, 22 PSIG with pressure building for liquid withdraw, Airgas ID-NI160LT22PB 160 Liter LAr Dewar, 230 PSIG with pressure building and CGA connection, Airgas ID-AR160LT230 Dewars can be ordered for delivery at Ext-3808 Specialty Dewars with different volume and pressure ratings are also available upon request 22