21 1/4x23 1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters Number Per Box:6 Nordic Pure 16x20x1 MERV 14

Nordic Pure 16x20x1 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

Nordic Pure 16x28x6 Aprilaire Space-Gard 2400 Replacement Air Filters Part 401 MERV 8 Plus Carbon are made of a dual material where the MERV rated material has been fused together with a carbon layer

this is just a list of the most well-known systems that use this size

Nordic Pure 20x30x1 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 16x20x2 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

21 1/4x23 1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters Number Per Box:6 Nordic Pure 16x20x1 MERV 14Actual Size: 21 1 4 x 23 1 4 x 3 4 (21. 25 x 23. 25 x 0. 75) Captures large airborne particles like lint, household dust, pollen, dust mites, mold spores and other contaminants. This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently and helps reduce odors Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 7 is equivalent to MPR 600 Made in the USA.