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Product Description
About The 3M Filtrete Air Filter - Pro Series 4" - 20"x20"x4" Electrostatic Charge Will Trap Every Particle! When you run your furnace or air conditioning pollen, dust and other harmful particles can enter the air within your home. 3M Air Filters prevent from indoor pollution and keeps pathogens from entering the air within your home. The 3M Filtrete Air Filter features positive and negatively charged fibers that attract particles like magnets because they also have an electrostatic charge, this gives the 3M Filtrete Air Filter the power to capture and trap harmful particles much more effectively than woven fiberglass or washable fabric filters. Better Air Quality Poor air quality within your home can increase the risk of airborne illness like colds, the flu, and other diseases or viruses. When the air filter is maintained properly you can reduce your risk of sickness. Utilizing the 3M Filtrete Air Filter as a first line of defense you will dramatically reduce the a