20x20x4 Merv 13 Furnace Air Filter

Code: 20204M13

Actual Size:19 3/8 x 19 3/8 x 3 5/8

  • Extends life of HVAC Equipment
  • Protects HVAC Equipment
  • Top Quality
  • All Filters are made to order, please allow up to 7 days for processing.
  • Color of filter may vary from picture




Changing your home’s furnace filter is vital for the efficient operation of your air conditioner and furnace system. It should be a part of your home maintenance checklist. Since furnace filters not only remove particulates from your system but also improve indoor air quality keeping unwanted allergens away from circulating inside your living space, helping your loved ones breathe clean air and stay healthy.

20x20x4 MERV 13 furnace filter provided by Merv Filters LLC is 100% synthetic graduated density filter media made, able to capture even the tiniest particles of size between 0.3 to 1.0 microns. These pleated filters are made of galvanized steel expanded metal support grid that is corrosion resistant and withstands in harsh conditions.

We offer MERV 13 filters in 45 various sizes, in a pack of 4 and 6 filters; can effectively fulfill your HVAC needs. Order online and get it delivered within 3-5 days. In case you don’t find the standard size filter, consider ordering custom size filter online.

Important Note: We deliver our products according to the nominal size, so measure your replacement furnace and air conditioning filters accordingly. As the nominal size of the filter is the rounded number of the actual size. In this case, the nominal size of the air filter is 20x20x4, you will get its actual size 19.5×19.5×3.75

Additional information

Weight 0.50 oz


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