Actual Size of Carbon Air Filter: 11 1/2 x 19 1/2 x 13/4;Odor absorbing activated carbon;One convenient air filter-MERV 12 pleated plus activated carbon;A simple solution for controlling both odors and dust particles;Nordic Pure Manufacturer Direct Since 1960-Made in the USA

• Nordic Pure 12x20x2M13+C-3 MERV 13 Plus Carbon AC Furnace Air Filters, Qty-3

Nordic Pure 12x20x2M13+C-3 MERV 13 Plus Carbon AC Furnace Air Filters, Qty-3Nordic Pure