Replaced approximately every 30 to 60 days for fresh clean air
Actual Size: 16 1/2 x 21 1/2 x 3/4 (16
Actual Size: 11 3/8 x 11 3/8 x 3/4 (11
Nordic Pure 16x24x4 Pleated Air Filters MERV 10 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
Actual Size: 11 1/2 x 23 3/8 x 3 5/8 (11
20x24x2 Pleated MERV 14 Air Filters 12x25x1 Replaced approximately every 30 toActual Size: 19 3 8 x 23 3 8 x 1 3 4 (19. 38 x 23. 38 x 1. 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