21x22x1 MERV 13 AC Furnace Filters 1 Inch We recommend that you change

We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and economy

Replaces Trion Air Bear Cub filters and others that require an actual 3" depth and ideal for normal air filtration

Our air conditioning filters use permanently electrostatically charged material that acts like a magnet to help dust cling to the air condition filter

Actual Size: 8 x 13 x 3/4 (8 x 13 x 0

Actual Size: 15 1/2 x 19 1/2 x 1/2 (15

21x22x1 MERV 13 AC Furnace Filters 1 Inch We recommend that you changeActual Size: 20 1 2 x 21 1 2 x 3 4 (20. 5 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 Filters