23 1/2x25x1 Exact MERV 12 AC Furnace Filters 13x23x1 Nordic Pure 12x12x1 MERV 8

Nordic Pure 12x12x1 MERV 8 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: 23 3/8 x 23 3/8 x 3 5/8 (23

MERV 13 furnace air condition filters are comparable to HVAC filters with the rating of MPR 2200-2400

Nordic Pure MERV 13 is equivalent to MPR 2200-2400

23 1/2x25x1 Exact MERV 12 AC Furnace Filters 13x23x1 Nordic Pure 12x12x1 MERV 8Actual Size: 23 1 2 x 25 x 3 4 (23. 5 x 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 Pure MERV