On-Line Catalog : Louvers > Penthouses > EFD-637-MD-PH
Model EFD-637-MD-PH Miami-Dade County Approved — extruded aluminum penthouse
6" deep • 37½° horizontal blade
The EFD-637-MD-PH extruded aluminum penthouse is engineered and tested to withstand extreme loads, debris impact and cyclic fatigue failure associated with the severe weather effects of hurricanes (Miami- Dade County approval #05-0725.05). Designed for intake and exhaust applications, the EFD-637-MD-PH frequently serves as a gravity ventilator, fan discharge cap, fresh air intake cap, sight shield, or pressure relief ventilator.