This Air Vent 12" Wind Roof Turbine (Model# TIB12SML) measures approximately 20" W x 20" D x 18" H with a 12" rough opening. Made from durable aluminum with a braced design for enhanced structural rigidity and wind performance. Ideal for improving attic ventilation and reducing heat and moisture buildup. No damage or missing parts reported. Item is in good used condition. Installation hardware not confirmed included.
