Atomic 20x20x1 MERV 11 Allergy Guard Pleated Ac Furnace Filter - Case of 6

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20x20x1 air filters, furnace filters, air conditioner filters and HVAC filters.Atomic replacement AC Furnace filters are high quality AC filters for a fraction of the price of low quality fiber glass filters you buy from the grocery store. This pleated filter is a MERV 11 filter efficiency. MERV, or Minimum Efficiency Reporting Value, indicates when a filter will be least efficient. So, the higher the MERV rating, the more efficient the filter. Most fiberglass spun filters, such as those found in your local grocery store, are usually only a MERV 1 or MERV 2. This can affect the efficiency and air flow of your heating and cooling system, causing it to work harder to produce the same air flow, while costing you more money! These MERV 11 air filters efficiently reduce pollen, dust, pet dander, and other fibers from air in your home. Eliminating these airborne particles can help alleviate allergies and sinus irritation that can cause watery eyes, itchy throat, coughing, and sneezing. An additional benefit of this HVAC air filter in your home will also extend the life of your heating and cooling system by making it work more efficiently. These MERV 8 filters contain 12 pleats per linear foot which creates a greater surface area to catch airborne particles and decrease the airflow drag helping your system to operate more efficiently . The MERV 11 filter media is pleated and constructed with 100% high performance mechanical synthetic media that also will not retain moisture, which can lead to microbial growth. These HVAC filters should be changed every 1 to 3 months for optimum performance.