The TUB Upblast Tubeaxial Roof Ventilator provides cost effective, general-purpose ventilation for commercial buildings. The TUB includes a heavy-duty, galvanized steel stack cap with butterfly dampers to discharge air upward and prevent recirculation into the building. A splash guard located over the damper pivot area protects against rain entry.
Sizes (wheel diameters)
14 to 60 inches (355 mm to 1,525 mm)
Airflow to 72,400 CFM (123,000 m3/hour)
Static pressure to 1.5 inches w.g. (370 Pa)