12x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 12.5x21x0.75 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

Particles in indoor air are measured in microns

Actual Size: 6 x 12 x 3/4 (6 x 12 x 0

RETURNS: Custom AC furnace air filters are not returnable since we hand make them per your exact dimensions when you enter your air filter size above

Nordic Pure 10x20x2 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

12x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 12.5x21x0.75 Nordic Pure 12x18x1 MERV 12Actual Size: 11 1 2 x 19 1 2 x 1 2 (11. 5 x 19. 5 x 0. 5) Captures large airborne particles like household dust, allergens, mold spores, pet dander and smoke particles. Ideal for customers with apartments, window units, campers, and RVs. Antimicrobial high capacity, polyester material with an added layer of smooth poly blend electrostatic filter media For filter installation the air enters thru the fuzzy, high loft side and exits out the thinner,