22x36x1 MERV 14 Plus Carbon AC Furnace Filters 21 1/4x23 1/4x1 The electrostatic charge works as

The electrostatic charge works as a magnet to draw in and trap smaller airborne particles

Nordic Pure 18x25x1 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

Nordic Pure 18x18x2 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

Nordic Pure 20x24x4 MERV 15 Plus Carbon air filters 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

they might not be pretty

22x36x1 MERV 14 Plus Carbon AC Furnace Filters 21 1/4x23 1/4x1 The electrostatic charge works asActual Size: 21 1 2 x 35 1 2 x 3 4 (21. 5 x 35. 5 x 0. 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