Air-Care electrostatic, reusable, permanent, washable air filters are 10 times more efficient than the standard disposable filter. By switching to a permanent electrostatic filter, the air inside your home will be cleaner and fresher. Utilizing electrostatically charged material which traps up to 94% of the dust and allergens in your home. The air you breathe contains many irritants such as pollen, dust, mold spores, pet dander and smoke additionally filtering other debris which can effect the air and your family?s health, including allergies and asthma. Most of these particles are smaller than one micron. Electrostatic air filters clean the air by using static electricity, a safe, naturally occurring phenomenon. An electrostatic charge is generated by air flowing through a maze of static prone fibers. Airborne particles are attracted and held by the static charge until released by washing.