4 Inch Roof Vent Cap - Heavy Duty Steel Removable Roof Vents with Back-Draft Damper, Roof Vents for Houses Attic,Kitchen Range Hood,Dryer and Bathroom, Roof Exhaust Vent for Ventilation System

• Higher Efficiency: Poor ventilation in attics can trap heat and moisture, accelerating the aging of roofing materials and reducing the roof's lifespan. Our specially designed larger 4 inch roof vent cap operates at over 75% efficiency (while others are under 50%), greatly improving air circulation in the attic. This helps keep temperature and humidity at proper levels, extending the roof's life
• Build Like a Tank: The roof vents for houses attic is made of sturdy steel, with neatly done cuts and folds, ensuring durability. The black powder-coated finish wasn't an eyesore on the roof, while also providing excellent rust and corrosion resistance, capable of withstanding various harsh weather conditions. The top has a curved design to prevent water from getting in
• Block External Entry: Inside the removable roof vent is a well-balanced, quiet back-draft damper that opens with slight internal airflow. When not in use, it naturally closes to prevent outside air from entering the home. The roof vents for houses also has a screen that fits perfectly and features a folded steel edge, effectively preventing unwanted guest from getting in
• Easy to Use: Removable design of the roof exhaust vent makes cleaning easy. Just take off the top to access the inside without having to take apart the whole unit. The extended flange ensures simple installation, securely attaching the 4 inch roof vent to the roof. It is ideal for use in attics, bathrooms, and range hoods. (For use with a dryer, the screen needs to be removed or replaced with a wider mesh to prevent lint from clogging the vent.)
• Package includes: 4 inch roof vents x 1,Screws x 4 (Used to connect the vent)

Levendor 4 inch roof heater vent cap — A Simple Way to Keep Your Attic Dry and Clean Enhanced Ventilation Efficiency: This roof vents for houses attic features a larger outlet, achieving over 75% airflow efficiency for the duct, while other vents on the market have efficiency rates below 50%. Material: The kitchen range hood roof vent cap is made of high-quality steel to ensure long-term service on your roof. Finish Type: This roof top dryer vent cap has a nice black powder coating that blends well with your roof and provides strong rust-proof and corrosion-resistant properties. Removable: The upper and lower parts of this bathroom roof vent are removable, making maintenance easier. Simply take off the upper part to clean the pipe and barn roof vents. Block External Entry: The home roof kitchen vent features a well-balanced, quiet back-draft damper that can be easily opened by internal airflow and securely closes when outside air tries to enter. Additionally, the exterior screen keeps unwanted guest out, ensuring the interior remains clean and well-ventilated. Easy Installation: The stove exhaust roof vents for houses has a large extended flange, making it easy to secure directly to the roof with nails. Waterproof Design: The top of the removable roof vents is arched, effectively directing rainwater away and preventing it from entering the interior. Package include: 4 inch roof heater vent cap x 1,Screws x 4 (Used to connect the vent)