which is 9-gauge wire grid with a support that runs through the middle for added strength and stability
Nordic Pure 18x30x1 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
Nordic Pure 12x24x1 MERV 14 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
MERV 13 Trion Air Bear replacement furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 2200-2400
Actual Size: 11 1/2 x 19 1/2 x 1 3/4 (11
30x30x1 MERV 13 Plus Carbon AC Furnace Filters 27x27x1 which is 9-gauge wire gridActual Size: 29 1 2 x 29 1 2 x 3 4 (29. 5 x 29. 5 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