Traps 98 percent of pollen and mold spores|Permanently captures at least 97 percent of bacteria and fungi|Traps 96 percent of pet dander and respirable dust|Traps less than 75 percent of tobacco smoke and smog|Provides more than 10 times the filtering media used in standard 1 in furnaces filter|The aprilaire model 2210 air purifier is a whole home air purifier that keeps every room in your homes clean and comfortable|It is installed into your central heating and cooling system be a local HVAC professional|Prevents dust build up in your house|Maximized the life of your heating and cooling equipment|Improve energy savings be keeping your HVAC equipment clean|Produces no ozone because it has no moving parts|Requires maintenance just once a year|Includes clean coil Guarantee: aprilaire air purifiers are so effective at removing particles and contaminant that should your new indoor air conditioning coil requires professional cleaning in the next 10 years, aprilaire will pay $100 toward the costs of having the coil cleaned