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Product Details
✓Extended Long Gooseneck for Thick Roof: our heavy duty 4 Inch goose neck roof vent cap differs from standard short neck vent caps; Extra long neck fits thick roof panels and heavy insulation, keeps the vent fully exposed above roof surface for unobstructed airflow
✓4 Inch Standard Duct Fit: precision engineered collar of the goose neck roof vent cap for house extended fits standard 4 inch round roof duct; Ideal for attic fans, dryer vent and bathroom fan ventilation, simple out-of-box connection for smooth exhaust airflow
✓Backdraft Reduction Baffle Design for Tiled Roofs: built-in internal baffle minimizes air backflow and wind disruption; Stabilizes exhaust airflow, prevents outdoor wind blowing backward into ductwork and reduces annoying wind noise; The roof vent cover 4 inch black's slanted top design ensures your roof vent functions flawlessly in harsh weather conditions
✓Built-in Bird Debris Protection: integrated metal mesh screen of the 4 inch roof exhaust vent blocks birds, leaves and debris to avoid duct blockage; Effectively reduces fire hazards for clothes dryer exhaust lines
✓Heavy Gauge Powder-coated Steel Complete Hardware: durable black powder-coated steel for long-lasting rust UV resistance; extended roof vents for houses comes with all mounting screws included, ready for DIY roof installation without extra purchases