Nominal Size: 20 x 25 x 2, Actual Size: 19 1/2 x 24 1/2 x 1 3/4 (19.5 x 24.5 x 1.75) 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 Ideal for residential customers in apartments, or for industrial customers who may need a pre-filter to help with strong smells