Gendzl Gooseneck Vent with SM-rib Flange, Tailpipe, Damper, & Screen | Model GZL-4-SM-rib | 4-Inch Diameter | For SM-rib Panel Roofs

Gendzl Low Profile Gooseneck Vent with SM-Rib Flange, Tailpipe, Damper & Screen | Model GZL-4-SM-rib | 4-Inch Diameter This aluminum gooseneck roof cap is a durable roof exhaust vent designed for bathroom fans, kitchen range hoods, and other ducted exhaust applications. Featuring a low-resistance hinged damper, removable bird screen, and heavy-duty rust-free aluminum construction, it provides reliable, weather-resistant performance for years to come. High-Performance Ventilation Efficient Exhaust: Engineered to provide smooth, unrestricted airflow for bathroom fans, kitchen exhaust systems, and general ventilation. Easy Duct Connection: Includes a 2-inch tailpipe for quick, secure attachment to 4-inch ductwork. Backdraft Protection: A curved, low-resistance hinged damper opens easily during operation and closes when the fan is off to help reduce drafts and unwanted airflow. Versatile Installation: Designed for roof pitches from 2/12 to 12/12. Durability & Protection Heavy-Duty Aluminum Construction: Manufactured from corrosion-resistant aluminum for long-lasting, rust-free performance. Pest Protection: Includes a removable bird screen to help keep birds, bats, rodents, and other pests from entering the duct system. (Remove screen for dryer vent applications.) Weather-Resistant Design: The aerodynamic gooseneck hood helps protect against rain and snow while allowing efficient exhaust airflow. Quality & Performance Built to Last: All-aluminum construction stands up to harsh weather and will not rust. Professional Appearance: The clean, low-profile design complements residential and light commercial roofing applications. Made in the USA: Manufactured with quality materials for dependable, long-term performance. Need Assistance? To calculate the exact number of vents needed for your project, please use our [Vent Calculator]. For technical support or sizing questions: Email: sales@roofvents.com Phone: 845-565-7770