The spring round air vent is made of durable ABS plastic, ensuring a long service life. The spring-loaded design allows for easy installation and removal. It is an excellent choice for interior decoration. Made from durable ABS plastic, these round air vents are anti-corrosion and anti-condensation. The convenient design is easy to install and remove. Select a suitable location on the ceiling, wall, or duct, ensure the surface is clean, and securely install the vent cover. Before purchasing, ensure the size of the hole on the wall and ceiling or your duct matches the air vent. Regularly inspect and clean the air vent to maintain optimal performance.