Nominal Size: 16 x 25 x 3, Actual Size: 15 13/16 x 24 5/16 x 3 (15.81 x 24.31 x 3) 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