15X20X2 Tri-Dim PRO MERV 13 Pleated 3-month air filter specifically designed to meet and exceed LEED building requirements. Constructed utilizing synthetic media that is specially designed to combine high efficiency and low resistance to air flow. Removes bacteria and most virus carrying particles and keeps your indoor air environment clean from a wide variety of pollutants (mold spores, pet dander, fine dust, smoke, allergens/pollen and more). Filter lasts 3 months. Made in the USA. 15x20x2 Actual filter size: 14-1⁄2 X 19-1⁄2 X 1-3⁄4".