Trion Air Bear 255649-103 Replacement Filter - 20x20x5 (3-Pack) (3-pack) Original, OEM Trion Air Bear 255649-103 replacement filter for Trion Air Bear air cleaners. 20" X 20" X 5" (actual dimensions 19 11/16" X 20 11/16" X 4 15/16") Rated MERV 8 Replacement Filter for: Air Bear Plus 20 X 20 Air Bear Supreme 20x20 Same as part # 229990-003 Same as part # 255649-103 Fits in cabinet part # 455604-019 Same as #000-0448-003 for Skuttle Model DB-20-20 Trion Air Bear whole-house media air cleaners are much more efficient than ordinary furnace filters. In fact, Air Bear media filters consistently outperform the competition, thanks to their highly-efficient synthetic material, featuring extended-surface pleats that have been proven to have a higher dirt-holding capacity than competitive filters. Includes foam gasket for tight seal. • Outstanding Performance -- The series boasts a high MERV rating, which means the filters effectively remove mold, spores, pollen, and other airborne contaminants. • High Efficiency -- Thanks to an extended surface pleated filter with maximum dust-holding capacity, and 100% electrostatically-charged synthetic fibers, this series provides a very low resistance, enabling the heating and cooling system to run cleaner and more efficiently, while saving on energy bills. ***NOTE: These filters will not fit Honeywell air cleaner cabinets***