Brochure on different types of air cleaning devices and how they work.| US EPA
Air purifier for home or air cleaner is a device which removes pollutants, dust, pollen, fumes, pet dander, etc. from the air in a room and improves IAQ. Although it is impossible to remove all of the particles from the air but it may reduce symptoms of asthma or allergy.| Perfect Pollucon Services
Regular furnace filter replacement for rental property owners and landlords as preventative maintenance it has the most impact.| Rental Housing Journal