21x22x1 Exact MERV 14 AC Furnace Filters Number Per Box:6 a 5” filter is actually

a 5” filter is actually a fraction of an inch smaller

MERV 13 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 2200

Nordic Pure 12x12x1 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 20x24x1 MERV 8 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 10x24x1 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

21x22x1 Exact MERV 14 AC Furnace Filters Number Per Box:6 a 5” filter is actuallyActual Size: 21 x 22 x 3 4 (21 x 22 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Ideal for customers with health problems or for commercial units which support a rating of MERV 14 and above Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in the USA. Nordic Pure MERV 14 Pleated AC