Our 20x24x4 MERV 8 furnace filter utilizes 100% synthetic gradient media that helps capture 85% of airborne particles/allergens between 3-10 microns in size and does not support microbial growth, making it an ideal choice for basic residential and commercial applications. This synthetic media is bonded to a 30 gauge galvanized expanded metal grid for extra support. Our MERV 8 pleated filters are offered in ASHRAE 52.1 and 52.2 ratings.
Merv Filters LLC 20x24x4 MERV 8 air filter is durable, lightweight and easy to install. Available in a pack of 4, 6 filters. All our pleated air filters are made in the USA and designed to last for 90 days, but if you are living someone suffering from asthma or other respiratory illness, we recommend you replace your air filter more often. We make it easy to buy air filter online and receive fast to your doorstep. Our For any product related query, feel free to contact our support team.
Important Note: When you consider buying 20x24x4 MERV 8 filter, make sure you compare its dimensions in order to purchase the right size filter. If the ‘nominal’ size of the filter is 20x24x4, then the ‘actual’ size is 19.5×23.5×3.75