3 in. D Aluminum Round Back Static Roof Vent Roof Jack in Black with 2 in. Collar and 2 in. Tail Pipe

Active Ventilation products round back roof jack is excellent for venting a duct. The design is great for terminating air from bathrooms and range hoods. Made of rust free aluminum with a 3 in. Dia adapter (tail pipe), with inner vertical louvers which prevent insects, wildlife, rain and snow from entering the jack. Meets code for forest fire prone areas.