28x34x1 MERV 12 AC Furnace Filters Number Per Box:6 Actual Size: 19 1/2 x

Actual Size: 19 1/2 x 24 1/2 x 3/4 (19

If you are replacing a Honeywell or Lennox 16x20x4 or an air filter with an MPR rating with an actual depth of 4 3/8

We recommend that you change your air filter every 3-6 months to maintain maximum efficiency indoor air quality

Nordic Pure 16x25x2 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

28x34x1 MERV 12 AC Furnace Filters Number Per Box:6 Actual Size: 19 1/2 xActual Size: 27 3 4 x 33 3 4 x 3 4 (27. 75 x 33. 75 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores and other contaminants. Ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500 1900 Made in the USA. Nordic