Nordic Pure 20x25x5 (4-7/8 Actual Depth) MERV 12 Trion Air Bear Replacement Pleated AC Furnace Air Filter, Box of 1 Actual Size of Air Bear Filter: 19 3/4 x 24 1/4 x 4 7/8 (19.75 x 24.25 x 4.88) Replaces Trion Air Bear 259112-102 & 255649-102 MERV 12 air filters capture over 90% of allergens, pollens, pet dander and other airborne particles. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Made in the USA