About This

• Universal 4-inch diameter pipe adapter. This 4-inch ventilation duct is suitable for standard 4-inch diameter pipe walls, connecting dryer exhaust hoses and pipes. The extended 8-1/4 inch interface is designed for secure installation on walls and can easily connect to rigid metal pipes and flexible air ducts. Please make sure to measure the diameter of the existing air duct before purchasing to ensure a perfect match.
• Reliable Hooded Design with Protection Features an openable fine mesh screen that keeps out pests like birds, rodents, and insects, and is easy to clean. The integrated spring-loaded backdraft damper opens for efficient exhaust flow and automatically closes to prevent cold air, rain, and drafts from backflowing into your home.
• Easy to install without drilling, fast and convenient. The flange is reserved with 4 drill holes and comes with all necessary screws to ensure a secure installation. In order to achieve complete sealing and efficient connection, the packaging also includes high-quality aluminum foil tape for sealing the ventilation hose to the clamp.
• Durable Galvanized Steel Construction Built from high-quality, rust-resistant galvanized steel, this cover withstands harsh outdoor weather conditions year after year. Its sturdy construction ensures long-lasting performance and reliable protection for your home’s exterior wall.
• Wide-Range Exhaust Application Ideal for efficiently venting dryer exhaust, bathroom fans, range hoods, HVAC systems, and AC units. The versatile design also makes it perfect for workshops, laundry rooms, generator sheds, or any application requiring reliable outside air exhaust and ventilation.