Get current pricing for Ch, CH-29105-ID Ch - 301g, Blue M, Model #frm-256b, 25x20x18, -18 To +93 Deg C, 208v, 1ph, 22 Amps, New Watlow #f-4 Microprocessor, 3 Side Port, 10% To 95% Rh . Product Category: Test/measurement, Sub Category: Environmental Chambers: