13x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters Number Per Box:12 Ideal for residential customers in

Ideal for residential customers in apartments

Actual Size: 12 3/4 x 21 1/2 x 3/4 (12

Actual Size: 9 1/2 x 24 1/2 x 1/2 (9

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

13x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters Number Per Box:12 Ideal for residential customers inActual Size: 13 x 21 x 3 4 (13 x 21 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 pleated AC air filters are made of electrostatically charged