IN DUCT AIR PURIFIER, VOLT:24, HERTZ:60, VA:10, DIMS:3:H X 3"W X 1-1/4"D, WEIGHT:1LB, ORIGIN:USA, IN MFG BOX.***The Global Plasma Solutions 2400 Series is one of the best air purifications systems on the market today. The 2400 kills 99.6% of contaminants in less than 15 minutes. The GPS system is an HVAC contractor’s first choice for achieving extraordinary commercial indoor air quality because of its plasma technology. The 2400 injects plasma into the moving air stream to break down gases and other harmful compounds prevalent in indoor air. In addition to reducing odors and gases, this air purifying system also reduces particulates and kills viruses, bacteria and mold. Tests show the cold plasma kills 99.6% of contaminants in less than 15 minutes***