A dirty or clogged filter can negatively impact the quality of the air as well as your air conditioner and furnace system efficiency. Replacing your filter regularly can increase the lifetime of your system, decrease your utility bills and improves the quality of your indoor air. Consider changing every month or two, if you have pets, allergy sufferers or living near construction or mining sites.
20x20x2 MERV 11 furnace filter effectively remove 91% of allergens, including dust mites, pollen, mold spores, pet dander, dust and smog. These MERV 11 filters are made of 100% synthetic graduated density filter media that have a higher particulate efficiency of capturing airborne particles as tiny as 1 micron. This filter media is thermally glued to expanded metal, protecting the media from sagging during the system operation.
Merv Filter LLC stocks a wide range of air filters in a variety of standard sizes that meets your HVAC requirements. If you don’t find the perfect size filter, don’t worry, we also offer custom size filters, starting as low as $4.99.
Important Note: When it comes to replacing your furnace filter, make sure you compare their nominal size and actual size. The nominal size printed on the cardboard edge of your air filter is slightly greater than the actual size. Example, if the nominal size of the filter is 20x20x2, the actual size will be 19.5×19.5×1.75