Duraflo WeatherPRO 60PRO50WW Roof Vent, 18.4 in OAL, 18.4 in OAW, 50 sq-in Net Free Ventilating Area, Polypropylene

Installed on a sloped, shingled roof to ventilate hot, moist attic air as a part of a balanced ventilation system. Installed within 24 in of the roof's peak. With the WeatherPRO Series PRO50 you no longer need to worry about foul weather. The unique baffle system within the WeatherPRO Series PRO50 wards off driving snow and blistering rain.