Nordic Pure 14x20x1M10+C-12  MERV 10 Plus Carbon AC Furnace Air Filters,  Qty 12 Actual Size of Carbon Air Filter: 13 1/2 x 19 1/2 x 3/4 Odor absorbing activated carbon One convenient air filter - MERV 10 pleated plus activated carbon A simple solution for controlling both odors and dust particles Nordic Pure Manufacturer Direct since 1960 - Made in the USA