Easy to install: available for wall mounted or ceiling mounted.environment friendly and non-toxic.Easy to use: the white panel can be freely detached, very convenient to clean and maintain.Stylish, compact and solid, this air vent can use as air inlet or outlet, perfect for bathroom, kitchen, office ventilation.Perfect to using for making fresh air for your home or other inside places.color: white+blackMaterial:ABSsize:Caliber: 148mmBottom diameter: 92mmHeight: 72mmPackage Contents:2 X Grilles Grid Air VentOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.