Americana Building Products Aluma Vent Louvered End Style Awning, 22 by 22 by 45-Inch Vertical panels allows air to circulate yet will not leak even during driving rains All units have a white gloss underside to reflect light into room, allowing awning to provide shade while minimizing its darkening effects Clip on panels eliminate noise from rattling parts All aluminum construction is strong yet lightweight and absolutely will not rust or rot Alternating pan and cover roof construction allows inexpensive replacement in the event of damage