20x20 1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 17 1/2x21x1 as developed by ASHRAE (the

as developed by ASHRAE (the American Society of Heating

pet dander and smoke particles

Nordic Pure 18x25x2 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: 11 1/2 x 23 1/2 x 1/2 (11

Actual Size: 14 1/2 x 19 1/2 x 3/4 (14

20x20 1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 17 1/2x21x1 as developed by ASHRAE (theActual Size: 20 x 20 1 2 x 3 4 (20 x 20. 5 x 0. 75) Captures large airborne particles like lint, household dust, pollen, dust mites, mold spores and other contaminants. Ideal for customers who need odor control for pet and cooking smells Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 8 is equivalent to MPR 800 Made in the USA. Nordic Pure Custom MERV 8 Plus Carbon air filters are made based on