4" Dryer Vent Cover Outside, Outdoor Dryer Vent Cover,Exterior Wall Vent Cover Cap Dryer Exhaust Vent Cover Outlet for House/Range Hood, Dryer Vent Kit with Screen & Damper Made of 28 gauge galvanized steel to guard the vent cover against rust, corrosion, UV, fading, and cracking for long lasting under constant exposure to outdoor condition Ideal for outdoor exhaust and ventilation, compatible with various standard outdoor dryer exhaust systems, wall vents, range hood vents, HVAC exhaust systems, AC vents, kitchen stove vents, offices exhaust, garage exhaust, basement wall exhaust,etc Specially Designed Large grid to reduce clogs by lint or debris buildup, which provide maximum exhaust airflow and keep your dryer operate efficiently The back of damper designed with foam gasket helps reduce noise generated by the collision when the dry vent is working or closed Openable screen that makes cleaning out debris a breeze; And keeping dryer ducts clear of birds, rodents, rats nesting and other uninvited guests when screen are closed, helping reducing fire hazards and ensure dryer operate safely Spring loaded backdraft damper allowing exhaust when open and ensuring a tight seal when closed, which shield your dryer vent from cold air, wind, rain, snow and other weather elements, extending the life of dryer system and lowering heating & cooling costs. Hassle-Free Installation Comes with pre-drilled mounting holes and screws for quick and easy mounting to the outside wall of your house Include a aluminum foil tape for duct sealing