16x25x5 (15.63x24.13x4.88) MERV 8 Aftermarket Skuttle Replacement Filter (2 Pack) DB-25-16 SKUTTLE filter part # 448-1 Nominal size 16 x 25 x 5. Actual size (H) 15 5/8 x (W) 24 1/8 x (D) 4 7/8. Package contains 2 Filters. This is an aftermarket filter.