Better Indoor Air Quality By the Numbers UP TO 15 WATTS/HR 35% MORE EFFECTIVE THAN FLOOR UNITS 29dBA PROVEN MERV 13 FILTRATION 3 FAN SPEEDS TO OPTIMIZE AIR CHANGES/HR The StrataClean IQ™ Air Filtration System quietly captures airborne contaminants, allergens, and particulates for cleaner, healthier indoor air quality. The in-ceiling system works more effectively than fl oor-based units, using proven MERV 13 fi ltration and increases existing air change rates as recommended by the CDC. The energy effi cient design operates at a quiet 29 dBA and uses only 15 watts per hour - less than a traditional incandescent light bulb. Learn more about improved IAQ at armstrongceilings.com/engineershttp://www.armstrongceilings.com/engineers