as developed by ASHRAE (the American Society of Heating
Nordic Pure 16x28x6 Aprilaire Space-Gard 2400 Replacement Air Filters Part 401 MERV 10 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your workspace or office
Actual Size: 21 1/2 x 26 x 3/4 (21
Nordic Pure 24x30x1 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
and smoke while helping to deodorize cooking smells and other unwanted scents
22x26x1 MERV 14 AC Furnace Filters 11 1/2x11 1/2x1 as developed by ASHRAE (theActual Size: 21 1 2 x 25 1 2 x 3 4 (21. 5 x 25. 5 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Ideal for customers with health problems or for commercial units which support a rating of MERV 14 and above Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in the USA. Nordic Pure MERV