20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 10 Air Filters Number Per Box:4 Nordic Pure 20x25x4 Pleated Air

Nordic Pure 20x25x4 Pleated Air Filters MERV 14 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

Nordic Pure 20x20x4 Plus Carbon Air Filters MERV 14 are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home

Nordic Pure 18x24x1 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

Nordic Pure 16x20x5 Honeywell Replacement MERV 13 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”

IMPORTANT Note: Air filters have an actual size that is a fraction of an inch smaller than the standard size (also known as "nominal size")

20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 10 Air Filters Number Per Box:4 Nordic Pure 20x25x4 Pleated AirActual Size: 19 5 8 x 19 7 8 x 4 3 8 (19. 63 x 19. 88 x 4. 38) Removes pollen, smoke particles, pet dander, bacteria, allergens, mold, virus carriers, and other contaminants. Replaces Honeywell 20x20x4 and filters with an MPR rating with an actual depth of 4 3 8 and ideal for normal air filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 10 is equivalent to MPR 1000 Made in the USA.