Features: Our baseboard register vents cater to an extensive range of applications. They are ideal for use in residential properties to large scale commercial projects. The product's versatility makes it a suitable choice for a variety of air control needs around the house or office. With a classic white color, our vent registers can seamlessly blend with many house styles, from traditional to modern. The white tone enhances the aesthetics while ensuring it complements the existing decor of the space. Specifications: Material: steel Color: white Duct opening size: about 18 inches Package includes: 4 x Baseboard diffusers Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.