16X20X4.25 MERV 11 Carrier Replacement Filter (2 Pack) Review

16X20X4.25 MERV 11 Carrier Replacement Filter are the original box style design and have an actual measurement of (H) 15 1/2 x (W) 19 7/8 x (D) 4 1/4. They remove atmospheric and household dust, coal and insecticide dust, mites, pollen, tobacco smoke, cooking smoke, grease, mold, fungi and more down to 0.3 micron. Read more...