22x36x1 MERV 12 AC Furnace Filters 20x30x1 With the 4" and 5"

With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer

Nordic Pure 24x24x2 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

Nordic Pure 20x25x6 Aprilaire Space-Gard 2200 Replacement Air Filters Part 201 MERV 13 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your workspace or office

Actual Size: 9 1/2 x 23 1/2 x 3/4 (9

Nordic Pure 16x28x6 Aprilaire Space-Gard 2400 Replacement Air Filters Part 401 MERV 13 Plus Carbon 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

22x36x1 MERV 12 AC Furnace Filters 20x30x1 With the 4" and 5"Actual Size: 21 1 2 x 35 1 2 x 3 4 (21. 5 x 35. 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