"This compact in-line fan is powerful enough to deliver ventilation in long duct runs. The corrosion-proof ABS plastic housing makes this fan suitable for bathroom exhaust, radon mitigation, greenhouse ventilation and general purpose ventilation up to 140F. Needs to be Hardwired No, Volts 120, Speed RPM 2,800, Speeds qty. 1, Dimensions L x W x H in. 12 x 15 1/4 x 15 1/4, HP 1/4, Fan Diameter in. 6, Amps 1.5, Air Delivery CFM 530. Fan speed can be adjusted with optional plug-in fan speed control Item# 517263 8-ft. grounded power cord Comes with mounting bracket and insulated tape for sealing pipe connections Sealed rotor motors require no maintenance"