The TEL Louvered Penthouse Ventilator is designed for gravity relief applications and features a low silhouette design. The TEL is louvered on all four sides for a full 360° perimeter opening and is constructed with double water and snow baffles for added weather protection.
Sizes (throat sizes)
12 to 144 inches (305 mm to 3660 mm) square throat sizes
3 to 20 tiers high
Airflow to 85,700 CFM (145,600 m3/hour)
Static pressure to 0.15 inches w.g. (40 Pa)