Your HVAC system offers adequate filtration, keeping your home dust and pollen free. Maintain the efficiency of your HVAC system by replacing your heating and cooling equipment air filters regularly. Merv Filters LLC recommends replacing your air filter 30-90 days. Families having a member suffering from asthma or other respiratory illness are recommended to change the filter more often. We make it easy to purchase 20x23x4 MERV 8 filter online and receive fast to your doorstep.
Our 20x23x4 MERV 8 furnace filter is “Made in the USA”. Consider buying from the manufacturer directly to save big when you buy bulk products. Available in a pack of 4, 6 filters. These pleated air filters can trap 85% of airborne particles and has a lifespan of up to 3 months, ideal to use for residential and commercial applications. Made from heavy duty, beverage board that stays strong in harsh conditions. The synthetic media have higher particulate efficiency as compared to standard fiberglass media.
Important Note: Whenever you are searching for an air filter, make sure that you compare the nominal and actual size of the air filter that you are replacing. If the ‘nominal’ size of the filter is 20x23x4, then the ‘actual’ size is 19.5×22.5×3.75