In-Line Duct Fan, For Fan Type Centrifugal Duct Fan, Airflow @ 0.000 in SP 151 cfm, Duct Diameter 4 in, Motor Output Power 20 W, Motor IP Rating IP44, Nameplate Voltage 120V AC, Phase 1, Number of Speeds 1, Overall Diameter 10 in, Overall Height 10 5/8...