21 1/2x23x1 Exact MERV 12 AC Furnace Filters Number Per Box:6 Nordic Pure 12x18x1 MERV 12

Nordic Pure 12x18x1 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

Actual Size: 11 1/2 x 25 1/2 x 3/4 (11

Important Note: Almost all furnace air filters have a different Actual Size (the exact dimensions) than Nominal Size (the name) printed on the air conditioning filter

Nordic Pure 16x16x1 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

MERV 8 Plus Carbon air filters are comparable to air filters with the MPR rating of 800

21 1/2x23x1 Exact MERV 12 AC Furnace Filters Number Per Box:6 Nordic Pure 12x18x1 MERV 12Actual Size: 21 1 2 x 23 x 3 4 (21. 5 x 23 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