Air delivery （CFM）：50 / 80 / 100
Sound level （Sones）：0.4 / 0.3 / 0.8
Duct size: 4 in.
Grille size: 11 13/16 in. x 11 7/16 in.
Approves: ETL & HVI &ENERGY STAR
Option functions:
Humidity sensor
Motion sensor
Speed controller
ADD：NO.25 TAIPINGJIAO FOUR ROAD, QINGDAO,CHINA
Fax：0532-83898634
Email：xingbangdianqi@126.com
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