20" X 20" High Efficiency Media Air Cleaner/W Air Cleaner Control, Volts:24, Hertz:60, Phase:Single, Amps:2 Max Current, CFM:800-2000, Equipment Weight:400 Lb Max Static Load, Humidity Environment:0-90% Non-Condensing, MERV Rating:13, Opening Dimensions:20"H X 20"D, Overall Dimensions:25-3/16"H X 6-3/4"W X 27-3/8"D, Weight:18 Pounds, In Mfg Box, Made In USA. **(Product Includes:Model #21320" X 25" Media Filter With Selfseal)**