20x20x1 (19_1/2x19_1/2) Pure Carbon Odor Reduction Furnace Air Filters 4 Pack

Nominal Size: 20 x 20 x 1, Actual Size: 19 1/2 x 19 1/2 x 3/4 (19.5 x 19.5 x 0.75) Absorbs odors, VOCs and captures airborne particles from your indoor air. Improved pleated media provides 3 times the carbon media vs flat panel carbon filters. No messy, loose carbon particles with our carbon infused media. Made in the USA: Proudly manufactured in the USA, ensuring quality and supporting local production Three times the carbon media for better odor absorption.