20x20x4 (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

Actual Size: 15 1/2 x 24 1/2 x 3/4 (15

Nordic Pure 14x24x2 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

pet dander and pollen and microscopic allergens such as dust and smoke particles like a magnet

In our opinion

20x20x4 (3 5/8) Pleated MERV 15 Air Filters Number Per Box:6 We special order the internalActual Size: 19 1 2 x 19 1 2 x 3 5 8 (19. 5 x 19. 5 x 3. 63) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. If you are replacing a Honeywell or Lennox 20x20x4 or an air filter with an MPR rating with an actual depth of 4 3 8, please see our 20x20x5 (4 3 8 actual depth) Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 15+ is