Ventilation Maximum 303-12-G Sloped Roof Ventilator, 700 to 800 sq-ft Net Free Ventilating Area, Galvanized Steel, Gray

The model VMAX-301-12 has been designed for slope roof application and is compatible with most all types of roofing membrane including metal. It has no moving parts, requires no electricity and is completely silent and maintenance free. Built tough to endure the harshest weather conditions that nature has to offer including hail storms. It sits high enough off the roof deck to allow it to weather through snow accumulations without being covered, thus, finally giving the home owner a peace of mind.