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