20x25x4 (3 5/8) Pleated MERV 10 Air Filters Number Per Box:6 Actual Size: 13 x 21

Actual Size: 13 x 21 x 3/4 (13 x 21 x 0

Actual Size: 19 3/8 x 23 3/8 x 3 5/8 (19

Actual Size: 17 x 26 1/2 x 3/4 (17 x 26

Actual Size: 13 1/2 x 19 1/2 x 1 3/4 (13

MERV 15 Trion Air Bear replacement furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 2800

20x25x4 (3 5/8) Pleated MERV 10 Air Filters Number Per Box:6 Actual Size: 13 x 21Actual Size: 19 1 2 x 24 1 2 x 3 5 8 (19. 5 x 24. 5 x 3. 63) Removes pollen, smoke particles, pet dander, bacteria, allergens, mold, virus carriers, and other contaminants. 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 10 is