19x21x1 Exact MERV 13 AC Furnace Filters Number Per Box:6 Nordic Pure 18x24x4 Pleated Air

Nordic Pure 18x24x4 Pleated Air Filters MERV 13 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

Keep that measurement in mind when you are measuring your furnace air filter

and electrostatic filter media

People with pets or those who suffer from allergies should change their A/C air filters more often

and any air system that requires half-inch (1/2") air condition filters

19x21x1 Exact MERV 13 AC Furnace Filters Number Per Box:6 Nordic Pure 18x24x4 Pleated AirActual Size: 19 x 21 x 3 4 (19 x 21 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, smog and other contaminants. Ideal for customers looking for superior filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 13 is equivalent to MPR 2200 2400 Made in the USA. Nordic Pure MERV 13 Pleated AC Furnace Air Filters provide