Ultraviolet Air Cleaner, Nominal Watts:72, Uv-C Watts:24, Electrical Requirements:120V-250V/0.56A/50-60Hz, Includes 2 Lamps And A 5 Pleated Filter, Lamp Hours:9000, Three Stage Indoor Air Quality System Is An Ultraviolet Germicidal Air Disinfection System The Steril Lamps Emit The Uv-C Component Of Ultraviolet Light Which Destroys Bacteria,Mold,Viruses And Other Biological Contaminants In The Air,In Liquids Or On Surface. Dims: 10-1/4"H X 17-1/2"W X 21-3/4"D, Weight: 26Lbs, Includes Brackets And Bulbs. Mounts Vertically Or Horizontally,Designed To Fit Most Air Handlers And Furnaces From 1-1/2 To 5 Tons, Dual Safety Limit Switches. (Mfg Box)"