13x23x1 MERV 12 AC Furnace Filters Number Per Box:6 All Nordic Pure + carbon

All Nordic Pure + carbon pleated air filters are manufactured using a heavy duty

Actual Size: 11 1/2 x 19 1/2 x 1 3/4 (11

Actual Size: 11 1/2 x 23 1/2 x 3/4 (11

Actual Size: 9 1/2 x 19 1/2 x 1 3/4 (9

Nordic Pure 12x30x1 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

13x23x1 MERV 12 AC Furnace Filters Number Per Box:6 All Nordic Pure + carbonActual Size: 12 1 2 x 22 1 2 x 3 4 (12. 5 x 22. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores and other contaminants. Ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500 1900 Made in the USA. Nordic Pure