The Master Flow 7-inch Goose Neck Vent Roof Cap in Black (Model GNV7BL)Go to product viewer dialog for this item. provides efficient ventilation for residential roofing and household appliances. Constructed from heavy-duty, zinc-coated 28-gauge galvanized steel, this durable exhaust cap is designed to withstand extreme weather and temperatures from -100 to 390 degrees Fahrenheit. It seamlessly connects to 7-inch round pipes or flexible ducts, making it ideal for bathroom fans, kitchen range hoods, and dryer exhaust systems. The vent features an integrated damper to prevent cold backdrafts and a heavy-duty mesh screen to deter entry from pests, birds, and small animals. Its generous flashing offers enhanced protection against roof leaks, while the sleek black powder-coated finish blends smoothly into shingled rooftops