depending on your unique home environment
Actual Size: 13 x 21 x 3/4 (13 x 21 x 0
Nordic Pure 16x24x4 MERV 8 Pleated 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: 15 3/4 x 15 3/4 x 3/4 (15
Actual Size: 15 x 24 x 3/4 (15 x 24 x 0
18x24x1 Pleated MERV 12 Air Filters Number Per Box:24 depending on your unique homeActual Size: 17 1 2 x 23 1 2 x 3 4 (17. 5 x 23. 5 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