we recommend that you replace your air conditioning filter every 30-90 days
There is a metal mesh support grid bonded to the pleats for extra support
Actual Size: 11 3/8 x 23 3/8 x 1 3/4 (11
Nordic Pure 28x30x4 Pleated Air Filters MERV 12 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
Replaces Honeywell 20x25x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for helping keep equipment working efficiently and reducing odors
30x30x1 Exact MERV 14 Plus Carbon AC Furnace Filters 12x22x1 we recommend that you replaceActual Size: 30 x 30 x 3 4 (30 x 30 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in the USA. Nordic