18x25x2 Pleated Air Filters MERV 14 Plus Carbon 17x25x1 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

Actual Size: 15 1/2 x 29 1/2 x 1/2 (15

Nordic Pure 14x25x1 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

The actual width and length of the air filter should be within 1/8 of an inch-if not

18x25x2 Pleated Air Filters MERV 14 Plus Carbon 17x25x1 With the 4" and 5"Actual Size: 17 1 2 x 24 1 2 x 1 3 4 (17. 5 x 24. 5 x 1. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in