Nordic Pure 20x25x5HM15+C-1 Honeywell Replacement MERV 15 Plus Carbon AC Furnace Air Filters, Qty 1 Actual Size of Carbon Air Filter: 19 7/8 x 24 7/8 x 4 3/8 Odor absorbing activated carbon One convenient air filter - MERV 15 pleated plus activated carbon A simple solution for controlling both odors and dust particles Nordic Pure Manufacturer Direct Since 1960 - Made in the USA