Can be perfectly used for indoor airflow control, and it also could be used as a role of decorating. Very practical and sturdy, not easy to deform, giving you a . Simple design, fashionable appearance, fine workmanship, perfect for using in your home. Features -Color: White. -Material: ABS plastic. - Size: 30.00X30.00X3.80cm/11.79X11.79X1.49in - Hole Distance: 25x25x3.8cm/9.8x9.8x1.49in - Easy installation, better performance, easy unrestricted air flow for your hvac system. - This air vent can use as air inlet or outlet, proper for bathroom, kitchen, office ventilation. - workmanship, stylish and compact, simple installation method and durable quality. - Good workmanship details, not easy to break, sturdy and durable, can serve you well. - Air supply grille for ceiling application, easy opening and closing back dampers for better airflow control. Package list: 1 x Vent Cover 4 x Screw Caps