Trion 255649-105-3 Air Bear Supreme Replacement Media Filter 16 x 25 x 5, MERV 8 (3 pack) <br><br>This is a genuine, factory direct OEM Trion replacement filter for the Air Bear Supreme Air Cleaner. <br><br>Dimensions: 16" x 25" x 5"<br>Actual dimensions: 15 3/4" x 24 1/4" x 4 7/8" <br><br>It is recommended to change this filter every 6 to 12 months. <br><br>This is not a replacement for a Lennox furnace filter.