They can also be used as a pre-filter in high-efficiency commercial HVAC units
Nordic Pure 20x25x4 Plus Carbon Air Filters MERV 14 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
Nordic Pure furnace air conditioner filters are manufactured using a heavy duty
Nordic Pure 10x20x1 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
20x30x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 14x24x2 They can also be usedActual Size: 19 1 2 x 29 1 2 x 1 2 (19. 5 x 29. 5 x 0. 5) Captures large airborne particles like household dust, allergens, mold spores, pet dander and smoke particles. Ideal for customers with apartments, window units, campers, and RVs. Antimicrobial high capacity, polyester material with an added layer of smooth poly blend electrostatic filter media For filter installation the air enters thru the fuzzy, high loft side and exits out the thinner,