The THD Hooded Tubeaxial Roof Ventilator is designed to provide cost effective, general-purpose ventilation of commercial buildings, and features a removable galvanized steel hood for cleaning purposes. The THD is available in exhaust or supply configurations.
Sizes (wheel diameters)
14 to 48 inches (355 mm to 1,220 mm)
Airflow to 36,400 CFM (61,800 m3/hour)
Static pressure to 1.5 inches w.g. (370 Pa)