FilterBuy 16x25x5 Trion Air Bear Aftermarket Replacement Furnace Filter/Air Filter - AFB Platinum MERV 13 (2 Pack) FilterBuy 16x25x5 Trion Air Bear 1400 Replacement Furnace Filter / Air Filter - AFB Platinum MERV 13 (2 Pack) Top of the line MERV 13 replacement filter manufactured in the USA by AFB. Has pre-applied gasketing for tight seal and designed to last 6 months Removes bacteria, proplet nuceli (sneeze), lint & dust, dust mite debris as well as auto emmissions and large particles like milled flower. Best of breed MERV 13 replacement filter for Trion Air Bear Cub models 229990-105, 255649-105, Air Bear Supreme 1400. AirFilterBuy: Breathe Better!