Replacement filter for the Austin Air Bedroom Machine® with Pre-Filter. 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. Overview All standard size units are interchangeable with all standard size filters. So, if you purchased a standard size HealthMate® and would like to upgrade to a Bedroom Machine®, simply purchase a replacement Bedroom Machine® filter. When ordering your replacement filter, please ensure you have selected the correct size and type, before confirming your order as there may be a restocking fee for returning filters that are ordered incorrectly. Filter Specifications 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) Color: gray, blue or green STAGE 3 – Over 780 cubic inches of Activated Carbon and Zeolite Removes chemicals, gases and odors STAGE 4 – 60 sq. ft. 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. STAGE 5 – Military Grade HEGA Carbon Cloth. HEGA (High Efficiency Gas Arrestance), providing an extremely large surface area for adsorption of chemicals, gases, viruses and bacteria You can check the size of your existing filter by looking for a label on the underside. Model HM400 indicates standard size filter.
