Dryer Vent Cover Outside with Removable Mesh and 4 x 8FT Aluminum Foil Insulated Flexible Duct

DURABLE CONSTRUCTION : The 4 inch vent cover outdoor with damper is made of sturdy 304 stainless steel, which is more heat-resistant and less prone to rust than ordinary iron and plastic air vents, and can ensure long-lasting performance and durability., EFFICIENT AIRFLOW ：Sealed metal flap in the vent cover prevent air from entering the system and with low internal pressure it opens effortlessly to ensure efficient ventilation. The rubber gasket included under the flapminimizes the noise generated., REMOVABLE DESIGN ：Our 4 inch dryer vent cover have removable mesh covers to keep out birds and rodents, and the large aperture prevents lint buildup., LOW NOISE SILENCER :4 inch duct designed for reducing noise from fans and carbon filter systems, can decrease the noise by up to 50%., 4 INCH DUCTING LIGHTPROOF :Thick layer of black PVC on flex duct prevents light leaks. Works with exhaust and intake fans, carbon filters and hooded lights which are 4 in diameter.