21x22x1 MERV 13 Plus Carbon AC Furnace Filters 18x28x1 Important Note: Almost all furnace

Important Note: Almost all furnace air filters have a different Actual Size (the exact dimensions) than Nominal Size (the name) printed on the air conditioning filter

Nordic Pure 18x24x2 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

Trion Air Bear Replacement filters have a depth of 4 7/8" and ideal for normal air filtration

Nordic Pure 20x25x6 Aprilaire Space-Gard 2200 Replacement Air Filters Part 201 MERV 13 Plus Carbon 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 Plus Carbon air filters are comparable to air filters with the MPR rating of 2200-2400

21x22x1 MERV 13 Plus Carbon AC Furnace Filters 18x28x1 Important Note: Almost all furnaceActual Size: 20 1 2 x 21 1 2 x 3 4 (20. 5 x 21. 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