20 in. x 20 in. x 2 Standard Polarized Media Air Cleaner Panel FPR 8-9

Superior filtration traps germs, bacteria, viruses and allergens better than MERV 11 media filters. Effectiveness does not diminish over time like electronic precipitators. Removes tobacco smoke from air. Removes particles down to 0.01 microns.|Low airflow resistance effectively filters without restricting airflow|Affordable reasonable priced with electrical consumption costing as little as $1 annually|Easy installation, fits into existing slot of standard throwaway furnace filters|Easy maintenance, simply replace the economical fiberglass filter pads as needed