There are many air cleaners to choose from, but Healthway is the only one that is FDA Certified as a Class II Medical Device and UL, CSA, and CUL listed. Our new EMF Filtration System will KILL up to 100% of the airborne microorganisms. Again we use NO ozone, UV lights, or harmful chemicals. The high energy field inside actually breaks down the DNA of the mold, bacteria, viruses, and fungi and destroys them. Plus we capture pollens, dust mites, pet dander, and dust. The EMF Model 20600-3This unit is one of the most advanced air purification systems in the world. This system is certified by the FDA as a class 2 medical device and defined as a medical air purification system. Independent laboratory testing certified bacteria kill at 98% - 100%, virus kill at 99%- 100%, mold and fungi kill at 94%-100%. The system includes dual cleanable prefilters for larger particulate collection. The system also includes 2 pounds of granule carbon and zeolite filter for high capacity multiple gas/chemical scrubbing. The EMF system is 99.97% efficient at collecting .3 microns size particulate. The 12 inch diameter EMF filter is 100% sealed so no air can bypass around the filter to assure 100% of the air passing thru the systcertified by the FDAem is treated by the EMF germ killing zone. FDA Listed as CLASS II MEDICAL DEVICE. Electronic 3 speed setting unit is effective on all three setting. Main Filter Replacement Monitoring Light - Monitors the filter and alerts when filters are clogged and need to be changed.