20x20x4 Merv 8 Furnace Air Filter

Code: 20204M8

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




Just like you need to replace your engine oil and oil filter in your vehicle on a regular basis, it is also important to change your heating and cooling system’s air filters every 30-90 days to maintain a healthy environment in your space. Merv Filters LLC offers a wide range of air filters, including 20x20x4 MERV 8 air filter, ensuring to keep your living environment clean and your HVAC system’s optimum efficiency.

Our 20x20x4 MERV 8 furnace filter is great for eliminating airborne irritants such as pollen, dust, dust mites, and mold that can cause asthma or allergy. These pleated air filters are made of 100% synthetic material and moisture resistant beverage board frame, providing less airflow resistance with less pressure drop. With the large surface area, this high-efficiency 20x20x4 MERV 8 filter is capable to capture over 85% of air particles from your space. Order with confidence online and don’t hesitate to contact us for any query.

Important Note: When you search for 20x20x4 MERV 8 air filter, you’ll likely to get 19.5×19.5×3.75 size filter. Nearly all our filters are delivered according to the nominal size, which is a bit greater than the actual size of the filter.

Additional information

Weight 0.50 oz
Dimensions N/A


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