Nordic Pure 18x24x4 MERV 7 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
and electrostatic filter media
Nordic Pure 16x25x2 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
They remove levels of Volatile Organic Compounds (VOCs) such as chemicals from household cleaning products
20x25x5 (4 3/8) Lennox X6673 X6675 Replacement MERV 14 Air Filters 16x24x2 Nordic Pure 18x24x4 MERV 7Actual Size: 19 3 4 x 24 3 4 x 4 3 8 (19. 75 x 24. 75 x 4. 38) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. This item is made to replace the Lennox X6673 and X6675 media air filters and ideal for customers with health problems or for commercial units Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR