Trion Air Bear Supreme Media Filter replacement for 255649-102-3 pack This is a Genuine Trion Air Purification Systems OEM Replacement Filter PERFORMANCE: Rated air flow up to 2000 cfm Non-woven, 5-inch thick, pleated Trion Air Bear media filter traps particles as small as one micron. Tested Using ANSI/ASHRAE 52.2-1999 standard procedures. Efficiency rating of MERV 8 Quick-and-Easy installation Air Bear filters capture and hold pollutants inside the filter, allowing air to flow freely through the system Highly-efficient, 100% electrostatically-charged synthetic material. Features extended surface pleats that have a higher dirt-holding capacity than competitive filters.