FiltersFast Compatible Replacement for Trion 16" x 25" x 3" (Actual Size:15-3/4" x 24-1/4" x 3") Air Bear Cub Filter - MERV 13 3-Pack Trion 16" x 25" x 3" (Actual size: 15 3/4" x 24 1/4" x 3") Air Bear Cub Filter - MERV 13 3-Pack 255649-101 Package contains 3 filters Captures airborne pollutants as small as 1 micron Energy Efficient Made in U.S.A.