There is a metal mesh support grid bonded to the pleats for extra support
Each time air passes through our high efficiency activated carbon AC filter
Nordic Pure furnace air conditioner filters are manufactured using a heavy duty
such as chemicals from household cleaning products
For filter installation the air enters thru the fuzzy
13x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters Number Per Box:6 There is a metal meshActual Size: 13 x 21 x 3 4 (13 x 21 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, smog, virus carriers, mold spores, help 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 13 is equivalent to MPR 2200 2400 Made in the