21x23 1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters Number Per Box:6 we recommend that you change

we recommend that you change your air filter every 3-6 months to maintain maximum efficiency and economy

Nordic Pure Trane Replacement MERV 10 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering

Nordic Pure 16x24x4 MERV 15 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home

Actual Size: 17 1/4 x 29 1/4 x 3/4 (17

Nordic Pure 16x28x6 Aprilaire Space-Gard 2400 Replacement Air Filters Part 401 MERV 8 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your workspace or office

21x23 1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters Number Per Box:6 we recommend that you changeActual Size: 21 x 23 1 4 x 3 4 (21 x 23. 25 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers who not only need odor control but whose daily life demands high filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 10 is equivalent to MPR 1000 Made in