HM 400 White / Filters Features: -Baked-on powder coat.-99.97pct efficient at removing particles as small as 0.3 micron.-Centrifugal fan with 3-Speed control.-95pct efficient in removing particles 0.1 micron and smaller.-Additional Features: Motor mounted on shock absorbers CSA, UL and CE approved.-Fan Rating: 400 cfm (cubic feet per minute).-Motor Type: Permanent Split Capacitor – rated for continuous use at high RPM & long life.-Air Intake: 360 intake system. Construction: -Material: All steel construction. Specifications: -Cleans up to 1,500 sq. ft. efficiently.-Power Rating: 1.3 amps, 120 volts.-Consumption: 135 watts at highest setting. Dimensions: -Overall Dimensions: 23”H x 14.5”W x 14.5”D.