Our ceiling round air valve is an excellent choice for modern ventilation systems, offering a sleek and functional design. The spring-loaded ABS construction allows for easy installation and secure attachment, making it ideal for use in homes, offices, and other commercial spaces. This air vent cover effectively manages air distribution, ensuring a comfortable and well-ventilated environment. Features -Color:White -Material:ABS -Size:11.50X9.00X7.20cm/4.52X3.54X2.83in -Bottom Diameter: 74 mm -Reliable stability: the clipspring design ensures the air diffuser remains stable, providing consistent and reliable air distribution. -Effective airflow control: the spring mechanism allows for effective control of airflow direction and speed, enhancing ventilation efficiency. -Simple setup: with its easy installation process, this air diffuser is suitable for various fresh air systems, offering convenience and versatility -High efficiency ventilation: delivers efficient ventilation to provide fresh air, significantly improving the air quality within your home -Protective Mesh: Built-in mesh cover keeps out unwanted debris, ensuring clean air Package list: 1 x plastic vent cap