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Austin Air Bedroom Machine Air Purifier B402A1, SANDSTONE

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  • Overview
  • Tech Info
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  • Reviews
  • Warranty

bedroom-machine.jpgThe Austin Air Bedroom Machine Air Purifier B402A1, SANDSTONE is the most advanced filtering system that Austin Air has ever designed. The Austin Air B402A1 has been built to meet the requirements set out by the Johns Hopkins University Medical School for ongoing studies where this new filtering system must capture gasses and particles at the nano size level. Exclusively designed for those who desire a better night sleep.

Featured HEPA Filtration Technology


1. Specialty air cleaner with 60 sq. ft. of medical HEPA, certified to remove 99.97% of airborne particles 0.3 microns or larger.

2. Contains 15 lbs. of Propietary Carbon Blend.

3. Stands 23" tall and 14.5" wide. Effectively cleans an area of 1500 sq. ft. (with normal ceiling heights).



  • Solid steel construction
  • Powder-coated paint
  • Energy saving PSC motor
  • Engineered airflow creating the clean air pocket™
  • 30-Day money back guarantee
  • 5-Year warranty on all parts and labor*
  • 5-Year pro-rated filter guarantee*
  • *See Owner's Manual for details.

Technical Specifications

  • Height: 23"; Width: 14.5"x14.5"
  • Weight: 45 lbs.
  • Perforated steel intake housing (filter deck); 360°
  • Air flow output from upper deck, directed one side
  • Bottom plate easily removed for filter access
  • Baked-on powder coat finish

Filter/Cartridge Configuration

  • STAGE 1 - Large Particle Pre-filter
    • Removes particles easily seen by the naked eye (e.g. dust, hair and pet dander)
  • STAGE 2 - Medium Particle Pre-filter
    • Removes small to medium size particles (e.g. molds, spores and pollen)
  • STAGE 3 - 15 lbs. of Propietary Carbon Blend
    • Removes chemicals, gases and odors (e.g. sulfuric acid and ammonia)
  • STAGE 4 - 60 sq. ft. of Certified HEPA
    • Removes 99.97% of all particles larger than 0.3 microns
  • STAGE 5 - HEGA Carbon Cloth
    • High Efficiency Gas Arrestance

Fan and Motor Assembly

  • Centrifugal fan
  • 3 Speed control switch
  • PSC motor
  • Power - 1.1 amp
  • 135 Watt power consumption at highest setting
  • CSA, NRTL and CE approved

Housing Construction

  • 22 gauge steel
  • Powder coating paint finish
  • 360 degree intake

Directional Air Flow

  • Austin Air's directional air flow allows you to direct air into breathing area where you stand, sit or sleep


  • Factory provided 5 years on all parts and labor

Filter Guarantee

  • Factory provided 5 years pro-rated guarantee under normal residential use

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