| Honeywell 16 x 25 x 4 Media Air Filter The Honeywell FC100A1029 16 x 25 Media Air Filter with MERV 11 performance. As air passes through the filter media, particulates such as dust, pollen, dander, mold, and bacteria collide with the fibers in the filter and become trapped. ... more Honeywell 16 x 25 x 4 Media Air Filter The Honeywell FC100A1029 16 x 25 Media Air Filter with MERV 11 performance. As air passes through the filter media, particulates such as dust, pollen, dander, mold, and bacteria collide with the fibers in the filter and become trapped. Bed Bath & Beyond | | $48.99 FREE shipping go to store |