20x24x4 (3 5/8) Pleated MERV 15 Air Filters Number Per Box:6 We special order the internal

We special order the internal frame for the half inch furnace filter

Unlike other A/C filters where the nominal and actual sizes differ by a fraction of an inch

Nordic Pure 10x20x1 MERV 7 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 16x24x2 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

or for industrial customers who may need a pre-filter to help with strong smells

20x24x4 (3 5/8) Pleated MERV 15 Air Filters Number Per Box:6 We special order the internalActual Size: 19 3 8 x 23 3 8 x 3 5 8 (19. 38 x 23. 38 x 3. 63) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Ideal for customers looking for superior filtration or for commercial units which support a rating of MERV 15 and above Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 15+ is equivalent to MPR 2800 Made in the USA.