19 1/2x31x1 Exact MERV 12 AC Furnace Filters Number Per Box:6 Nordic Pure 15x20x1 MERV 10

Nordic Pure 15x20x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Actual Size: 17 3/4 x 17 3/4 x 3/4 (17

Nordic Pure MERV 10 is equivalent to MPR 1000

Nordic Pure 14x24x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

19 1/2x31x1 Exact MERV 12 AC Furnace Filters Number Per Box:6 Nordic Pure 15x20x1 MERV 10Actual Size: 19 1 2 x 31 x 3 4 (19. 5 x 31 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores and other contaminants. Ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500 1900 Made in the USA. Nordic Pure MERV