20x30x1 (19_5/8x29_5/8) Pure Carbon Odor Reduction Furnace Air Filters 4 Pack

Nominal Size: 20 x 30 x 1, Actual Size: 19 5/8 x 29 5/8 x 3/4 (19.63 x 29.63 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.