Keep that measurement in mind when you are measuring your furnace air filter
Nordic Pure 12x25x2 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 16x30x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
We recommend changing 1” and 2” filters every 30-90 days
Nordic Pure 16x20x5 Honeywell Replacement MERV 8 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”
17x22x1 MERV 14 AC Furnace Filters 14x16x1 Keep that measurement in mindActual Size: 16 1 2 x 21 1 2 x 3 4 (16. 5 x 21. 5 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