21 1/2x23 3/8x1 Exact MERV 10 AC Furnace Filters Number Per Box:6 a 20x30x1 air filter is

a 20x30x1 air filter is actually 19 ½ x 29 ½ x ¾

Nordic Pure 16x24x1 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

Our air filters use permanently electrostatically charged material that acts like a magnet to help dust cling to the air condition filter

Nordic Pure 18x30x1 MERV 7 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

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

21 1/2x23 3/8x1 Exact MERV 10 AC Furnace Filters Number Per Box:6 a 20x30x1 air filter isActual Size: 21 1 2 x 23 3 8 x 3 4 (21. 5 x 23. 38 x 0. 75) Removes pollen, smoke particles, pet dander, bacteria, allergens, mold, virus carriers, and other contaminants. Ideal for normal air filtration and will help those with mild allergies. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 10 is equivalent to MPR 1000 Made in the USA. Nordic Pure MERV 10 Pleated AC Furnace Air Filters provide