the efficiency of all air filters is rated according to the same criteria as set forth by ASHRAE
pet dander
Nordic Pure 12x20x1 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
Nordic Pure 16x20x4 Plus Carbon Air Filters MERV 13 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
which is 9-gauge wire grid with a support that runs through the middle for added strength and stability
14 1/2x19x1 Exact MERV 8 AC Furnace Filters Furnace Filter the efficiency of all airActual Size: 14 1 2 x 19 x 3 4 (14. 5 x 19 x 0. 75) Removes lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently and helps reduce odors Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 8 is equivalent to MPR 800 Made in the USA. Nordic Pure MERV 8 Pleated AC