4 Inch Round Air Vent Cover, 4Pcs Abs Adjustable Soffit Vents For Home, White

These multi-functional round attic vents can be utilized for both air intake and exhaust purposes, making them suitable for various indoor and outdoor settings including bedrooms, bathrooms, garages, chicken coops, and storage sheds.SpecificationMaterial: ABS PlasticTotal Size: 145 x 63 mm / 5.7 x 2.5 inch (Dia.*D)Interface Diameter: 90 mm / 3.5 inchApplicable Opening Size: 100mm / 4 inchPacking List: 4 Pcs x Soffit VentsAdvantageCrafted from quality ABS material, this ceiling vent cover provides good durability against weather and collision. Its robustness against deformation and fading, delivering a reliable home ventilation option. The adjustable design enables you to manage the airflow by using the knob on the panel to adjust the size of the screen mesh vents, offering personalized comfort control.InstructionThe detachable design makes them easy to clean and maintain. Additionally, it is simple to install. Simply position the round air cover over the hole in the wall ceiling or your duct, and it will securely attach with its black wings on the bottom. NoticeIt is recommended to clean the vents regularly to maintain ventilation effectiveness. Avoid the vents being blocked by dust, debris, etc., affecting ventilation effectiveness.