The Complete Source For All Your Air Filtration & Cleanroom Needs 1-800-523-9852

One of the best air purifiers on the market.
Recommended for allergies and asthma.


The HM400 is one of the best portable air purifiers on the market today. This unit will improve air quality dramatically in the home andor the office. The HM400 uses a HEPA filter that also uses charcoal and zeolite (these two materials help eliminate odors). Operating between 20 decibels (low setting) to 65 decibels (high setting) the HM400 performs virtually unnoticed. Energy consumption cost about one cent per hour with the maximum draw of about 90 watts (set on high). The HM400 can clean an average bedroom in about 15 minutes with the door closed. It is rated to clean 1,500 square feet. Dimensions are 23″ x 14.5″ x 14.5″. The unit carries a five year guarantee for the motor, fan, and other working parts.

Features » Height: 23 inches Width: 14.5 inches X 14.5 inches; Weight 45lbs
» Perforated steel intake housing (filter deck); 360° intake
» Air flow output from upper deck, directed one side
» Bottom plate easily removed for filter access
» Baked-on powder coat finish
» Available in sandstone, black, white, or silver
Filter Assembly » 13.5 inch diameter; 14.5 inch height
» 80 ft^2 true HEPA medical filter media
» Nearly 15 lbs mixture of solid activated carbon and zeolite
» Meets HEPA standards, trapping 99.97% of all particulates larger than 0.3 microns
» Foam sealing gaskets top and bottom
» Total weight 23lbs
Fan & Motor Assembly » Centrifugal fan
» 3 Speed control switch
» Power rating: 1.3 amps, 120 volts
» 115 Watt power consumption at highest setting
» Motor type: permanent split capacitor, rated for continuous high RPM, long life duty
» Motor mount on shock absorbers
» CSA and NRTL approved
Warranty: » 5 years on all parts and labor
Filter Replacement: » HEPA filter: $179.99 (replace every 3-5 years)
» Prefilter: $22.99 (clean once a month and replace every 3 months)

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