Air Bear Cub 16X25X3 MERV 10 Healthy Climate Replacement Media Filter & Lennox BMAC-12C 16X25X3 High-Efficiency rating of MERV 10 Air Bear Cub Filter Non-woven 3-inch thick, pleated media filter traps particles as small as one micron Up to 85% efficient in removing mold spores and other bioaerosols from 3-10 microns Made for the Air Bear Cub and Lennox BMAC-12C Rated air flow up to 1400 cfm