20x25x4 (3 5/8) Pleated MERV 14 Air Filters 20x20x5 Actual Size: 19 x 21

Actual Size: 19 x 21 1/2 x 3/4 (19 x 21

Nordic Pure 20x25x4 Plus Carbon Air Filters MERV 8 are made of a dual material where the MERV rated material has been fused together with a carbon layer

while these filters are larger at 5 1/4”

along with a Nordic Pure MERV 8 rating

20x25x4 (3 5/8) Pleated MERV 14 Air Filters 20x20x5 Actual Size: 19 x 21Actual Size: 19 1 2 x 24 1 2 x 3 5 8 (19. 5 x 24. 5 x 3. 63) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. If you are replacing a Honeywell or Lennox 20x25x4 or an air filter with an MPR rating with an actual depth of 4 3 8, please see our 20x25x5 (4 3 8 actual depth) Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is