18x18x1 (17_3/4x17_3/4) Pure Carbon Odor Reduction Furnace Air Filters 6 Pack

Nominal Size: 18 x 18 x 1, Actual Size: 17 3/4 x 17 3/4 x 3/4 (17.75 x 17.75 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.