Designed with our unique WeatherPRO® Technology, the PROVentilator offers a trouble-free, high-performance attic ventilation system that protects the home from weather infiltration, moisture and heat damage. The patented PROVentilator features an architecturally designed large top cap improving the appearance of the roofline. Engineered with the contractor in mind, the lightweight, durable construction and pivoting pitch adjustment system are designed to simplify the installation process saving both time and money.