Particles in indoor air are measured in microns
Actual Size: 14 1/2 x 19 1/2 x 3/4 (14
Our air filters use permanently electrostatically charged material that acts like a magnet to help dust cling to the air filter
We special order the internal frame for the half inch furnace filter
Actual Size: 16 1/2 x 22 x 3/4 (16
18x20x1 Pleated MERV 13 Air Filters 10x10x1 Particles in indoor air areActual Size: 17 1 2 x 19 1 2 x 3 4 (17. 5 x 19. 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