4 Inch Round Air Vent Cover, 4Pcs Abs Adjustable Soffit Vents, 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: 150 x 69 mm / 6 x 2.7 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 reverse buckle mechanism simplifies the process of installing the gable vent. Just insert the soffit vent cover into the pre-drilled hole on the wall or ceiling, and twist it to lock it securely in place - no complicated tools are required.NoticeIt is recommended to clean the vents regularly to maintain ventilation effectiveness. Avoid the vents being blocked by dust, debris, etc., affecting ventilation effectiveness.