Actual Size: 8 x 8 x 3/4 (8 x 8 x 0
While different companies use different scales to measure the air filter’s efficiency
We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and indoor air quality
It can also be beneficial to those who suffer from allergies or respiratory issues
Nordic Pure MERV 10 is equivalent to MPR 1000
10x24x1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters Number Per Box:6 Actual Size: 8 x 8Actual Size: 9 1 2 x 23 1 2 x 1 2 (9. 5 x 23. 5 x 0. 5) Captures large airborne particles like household dust, allergens, mold spores, pet dander and smoke particles. Ideal for customers with apartments, window units, campers, and RVs. Antimicrobial high capacity, polyester material with an added layer of smooth poly blend electrostatic filter media For filter installation the air enters thru the fuzzy, high loft side and exits out the thinner, smooth