"AUTOMATIC REGENERATION; DIRECT DIGITAL (RS-422/RS-485) CONTROL; LED DISPLAY FOR OPERATING AND ALARM DATA; 120/230 VOLT, 50/60 HZ OPERATION STANDARD; ENGLISH OR SI CALIBRATION STANDARD; S-A AND TERMINAL COMMUNICATION PROTOCOLS; DUAL AIR PUMPS; CE CERTIFICATION; U-L 1950/IEC 950; EXCEPTIONALLY LOW NOISE AND VIBRATION LEVELS; USES ALUMINUM OXIDE DESICCANT; INTERNAL EVAPORATOR ELIMINATING THE NEED FOR A WATER DRAIN; CONSUMES A MAXIMUM OF 150 VA DURING REGENERATING AND 60 VA OTHERWISE; 0.5 PSIG OUT; RACK MOUNTED (19 INCH)"