Duraflo 60PRO50BL Roof Vent, 18.18 in OAW, 50 sq-in Net Free Ventilating Area, Polypropylene, Black [SKU: ORG9876418]

Ideal for most roof pitches, Eliminates bird nesting, Warm moist air exits in a chimney like fashion eliminating shingle stains, Unique baffle system wards off driving snow and blistering rain, Drainage openings allow for water to escape, For 2/12 to 14/12 roof pitches. [QTY/UOM: 1EA / 1EA]