We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and indoor air quality
Nordic Pure 16x25x4 Plus Carbon Air Filters MERV 8 are made of a dual material where the MERV rated material has been fused together with a carbon layer
See Details below for more info
Nordic Pure 16x24x1 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: 8 1/2 x 30 x 3/4 (8
21 1/2x23 5/16x1 MERV 12 AC Furnace Filters 10x18x1 We recommend that you changeActual Size: 21 1 2 x 23 1 4 x 3 4 (21. 5 x 23. 25 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