The THDF Filtered 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.
Sizes (wheel diameters)
21 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)