Benchmark Scientific SureTherm CO2 Incubator, Ambient 5-60C, 45L, CO2 Range 0 to 20 Percent, 6-Sided Direct Heating, Low Speed Internal Fan, Dual Beam IR Sensor, Rounded Stainless-Steel Chamber, Digital Microprocessor Controls, Exterior Dimensions 16.5 x 18.3 x 21.8., Stackable, 120V or 230V, 50-60Hz
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