Nordic Pure 20x25x5 (4-7/8 Actual Depth) MERV 13 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 Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, and tobacco and fireplace smoke are captured and removed by our MERV 13 air filter. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Made in the USA