May 06
High Performance 3M furnace filters can capture at least 90% of large airborne particles when the air passes through the filter. These furnace filters carry a micro particle performance rating over 700. 3m furnace filters are designed for housing units accommodating 4 inch nominal size filters. With a combination of filtrete filtering technology and advanced design 3m furnace filters are even more efficient in cleaning the entire household. All of 3m’s furnace filters meet the air quality guidelines suggested by American Lung Association for indoor air.