Austin Air FR402A Bedroom Machine Replacement Filter, Black. Replacement filter for the Austin Air Bedroom Machine. The Austin Air Bedroom Machine is designed to help those who suffer from various sleep-related problems. The results of two separate clinical trials show this unit to be highly effective at removing dangerous airborne pollutants from the home. Keep the air in your bedroom free from pollution and get the good night's sleep you deserve.
STAGE 1 Large Particle Pre-filter. Removes particles easily seen by the naked eye e. Dust, hair and pet dander. STAGE 2 Medium Particle Pre-filter.Removes small to medium size particles e. STAGE 3 Over 780 cubic inches of Activated Carbon and Zeolite Removes chemicals, gases and odors. Of True Medical Grade HEPA. Removes 99.97% of all particles larger than 0.3 microns and 95% of all particles larger than 0.1 microns.
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