Specimen freeze drier; o/a dimensions-70.0 in. L x 44.0 in. W x 75.0 in. H; chamber size-36.0 in. X 66.0 in.; 2 shelves; chamber volume-37.5 cubic ft; chamber temp-minus 20 degrees f adjustable; condenser-remote 24 liter stainless; defrost-automatic hot gas; vacuum system-765 liters per min; power requirements-230 volts, 50 hz, 11 amps, single phase; instrumentation-condenser temp, specimen chamber temp and control, vacuum indication