As with all Nordic Pure filters
Nordic Pure 18x24x1 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
Actual Size: 11 1/2 x 21 x 3/4 (11
Nordic Pure 18x24x4 Pleated Air Filters MERV 8 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
Actual Size: 9 1/2 x 29 1/2 x 1/2 (9
18x27x1 MERV 10 AC Furnace Filters 1/2 Inch As with all Nordic PureActual Size: 17 1 2 x 26 1 2 x 3 4 (17. 5 x 26. 5 x 0. 75) Removes pollen, smoke particles, pet dander, bacteria, allergens, mold, virus carriers, and other contaminants. Ideal for normal air filtration and will help those with mild allergies. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 10 is equivalent to MPR 1000 Made in the USA. Nordic Pure MERV 10 Pleated AC Furnace Air Filters provide