As an alternative please look at the Filters Fast Brand Compatible Filter FFC16255TAB.
The Trion 255649-105 is the correct replacement filter for the following air cleaner models:
The Trion Air Bear Media AC Filter 16x25x5, 255649-105 is a replacement 16 inch x 25 inch x 5 inch filter with pleated media. The Trion Air Bear 255649-105 can be used in the Trion Air Bear Supreme 1400 and Trion Air Bear 1400 air cleaner models. Trion air cleaner filters feature high-efficiency synthetic material and extended-surface pleats that provide for higher dirt-holding capacity. This Trion filter replacement can prolong the life of your equipment, and save you money!
Trion Air Bear Media AC Filter 16x25x5, 255649-105 specifications:
Trion Air Bear Media Filters should be checked every 6 months and changed every 9-12 months depending on air quality and factors in the home such as pets, smoking and other contaminants.