30x36x1 MERV 12 Plus Carbon AC Furnace Filters 16 1/2x21 5/8x1 Each time air passes through

Each time air passes through a Nordic Pure Pleated ASG activated carbon replacement furnace filter

Particles in indoor air are measured in microns

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

Nordic Pure 20x20x2 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

30x36x1 MERV 12 Plus Carbon AC Furnace Filters 16 1/2x21 5/8x1 Each time air passes throughActual Size: 29 1 2 x 35 1 2 x 3 4 (29. 5 x 35. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers who not only need odor control but whose daily life demands high filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500