Heat Recovery Ventilator • Type Side Port • Length 39-38 Inch • Width 11-78 Inch • Height 17-716 Inch • Delivery Rate 50 to 104 CFM at 0.4 Inch WG • Sound Rating 2.5 Sones • Power Rating 68 Watt • Input Supply Rating 120 Volt AC at 60 Hertz • Current Rating 0.6 Amp • Housing Material Steel • Finish Pre-Painted • Airflow Rate 50 to 104 CFM • Includes HEPA Filter • Approval UL 1812, CSA C22.2C444C439, HVI