Whole House Polarized Media Air Cleaner - 20" H x 20" W

• Low airflow resistance effectively filters without restricting airflow
• 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 micron
• Easy installation, Fits into existing slot of standard throwaway furnace filters
• Easy maintenance, Simply replace the economical fiberglass filter pads as needed