PVC Radon Booster Fan,16W,4 In., Airflow @ 0.000 in SP 80 cfm, Duct Diameter 4 in, Motor Output Power 18 W, Motor IP Rating Not Applicable, Nameplate Voltage 115V AC, Phase 1, Number of Speeds 1, Overall Diameter 4 3/4 in, Overall Height 4 3/4 in, Overall Width 4 3/4 in, Application General Purpose, High-Efficiency Motor No, Housing Material PVC, Motor Speed 2,800 RPM, Includes 6 ft Power Cord, Maximum Inlet Air Temperature 150 Degrees F, Speed Control Included No, Speed Controllable No