11 1/4x11 1/4x1 Exact MERV 13 AC Furnace Filters Number Per Box:12 which is 9-gauge wire grid

which is 9-gauge wire grid with a support that runs through the middle for added strength and stability

Nordic Pure 10x20x2 MERV 14 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

dust mite debris

Nordic Pure 12x24x4 MERV 14 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

allergens and other contaminants are removed

11 1/4x11 1/4x1 Exact MERV 13 AC Furnace Filters Number Per Box:12 which is 9-gauge wire gridActual Size: 11 1 4 x 11 1 4 x 3 4 (11. 25 x 11. 25 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