Inline Centrifugal Duct Fan, Housing Material Thermoplastic, Fits Duct Dia. 4 In., Voltage 115, Max. Amps 0.18, Max. Wattage 19, Number of Speeds 1, Housing Dia. 9-1/2 In., Length 9-5/8 In.CFM @ 0.000-In. SP 122CFM @ 0.200-In. SP 100Max. Inlet Temp. 140 Degrees F, Inlet and Outlet Dia. 3-7/8 In., 60 Hz, 1 Phase, Motor HP 1/50, Motor RPM 2900, Motor Enclosure Totally EnclosedFlange Width 7/8 In., Speed Control Mfr. 1DGV1Mounting Position Horizontal or VerticalIncludes Mounting Bracket Centrifugal In-Line Duct FansThermoplasticExternal wiring box with waterproof gasket. Suitable for radon gas mitigation. UV protected.Prewired fans have lower sound levels than comparable surface-mounted fans. Max. temp.: 140 F. Mounting bracket included.HVI Certified. UL Recognized, CSA Certified. UL Listed (E128817) for outdoor use/wet locations. ENERGY STAR qualified.All are UL and C-UL Listed.Mount: horizontally or vertically Bearings: ball Speed controls, designer grilles, and dampers sold separately, this page