Enhance your indoor air quality with the FilterBuy 20x20x5 air filters. This HVAC AC furnace filter features synthetic filter media that effectively captures dust, moisture, and other contaminants. With a MERV rating of 11, this filter is perfect for improving the air quality in your home or office.

Measuring 19.63 x 19.81 x 4.38 inches, this pleated air filter is compatible with Honeywell and Lennox HVAC systems, and it can last for up to three months. Its beverage board frame material makes it resistant to moisture and heat, while its electrostatic filtration technology ensures that it captures even the smallest particles. Invest in this air filter for a healthier and cleaner indoor environment.