Wood Octagon Gable Vent with a jamb/recessed louver box.
Overall depth is 3-1/2". 
Square Edge Trim: 3/4" X 2-3/4"
Constructed using Titebond® III wood glue for long-term durability. Wood may contain small, tight knots consistent with natural material characteristics. This vent includes integrated aluminum mesh screening for added ventilation protection.