19.75x21.5x0.75 Exact Size MERV 13 Air Filter Number Per Box:6 we recommend that you change

we recommend that you change your air filter every 3-6 months to maintain maximum efficiency and economy

Replaces Honeywell 16x25x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for normal air filtration

Actual Size: 19 1/2 x 19 1/2 x 1/2 (19

MERV 8 furnace air condition filters are comparable to HVAC filters with the rating of MPR 800

19.75x21.5x0.75 Exact Size MERV 13 Air Filter Number Per Box:6 we recommend that you changeActual Size: 19 3 4 x 21 1 2 x 3 4 (19. 75 x 21. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, smog and other contaminants. Ideal for customers looking for superior filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 13 is equivalent to MPR 2200 2400 Made in the USA. Nordic Pure MERV 13 Pleated AC Furnace Air