Each time air passes through a Nordic Pure Pleated ASG replacement furnace filter
Nordic Pure 16x25x4 Plus Carbon Air Filters MERV 12 are made of a dual material where the MERV rated material has been fused together with a carbon layer
use a tape measure to determine the exact width (short side) and exact height (long side) of your current air filter
Nordic Pure 18x24x4 Pleated Air Filters MERV 12 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
This Pure Carbon Pleated Air Filter offers all the benefits of activated carbon
17 1/4x23 1/4x1 Exact MERV 14 AC Furnace Filters 16 1/4x21 1/2x1 Each time air passes throughActual Size: 17 1 4 x 23 1 4 x 3 4 (17. 25 x 23. 25 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