Call me old fashioned, but I think indoor air pollution should exist somewhere besides inside my home. Are you with me? We shouldn't have to reside in a home with pollutants like pollen, pet dander, dust, lint and other contaminants that aren't healthy to be in constant contact with. With the 16X25X5 (15.63x24.13x4.88) MERV 8 Skuttle® Aftermarket Replacement Filter you won't have to! This filter is highly efficient and helps remove these particles from your indoor living environment. It's actually 98% effective at removing these particulates that no one wants to be in the same room with. Whether we're old fashioned or not, the 16X25X5 (15.63x24.13x4.88) MERV 8 Skuttle® Replacement Filter will keep you indoor air healthier and cleaner than any ordinary fiberglass filter. Order one day!