We special order the internal frame for the half inch furnace filter
This results in less flow restriction and 33% more surface area for cleaner smelling air
Nordic Pure 18x20x2 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 16x24x4 MERV 13 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
leaving healthier
17 1/8x34 7/8x1 MERV 14 AC Furnace Filters 14x25x 1/2 We special order the internalActual Size: 17 x 34 3 4 x 3 4 (17 x 34. 75 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 14