Add a nice touch to your smart 450’s interior with these Trim Rings for the Air Conditioning Vents. This listing is for a set of 2 Trim Rings that are designed to fit around the air conditioning of the Smart 450. They instantly transform your smart’s interior. This set is designed to fit all Smart Fortwo 450 models coupé and cabrio (1998-2007) and Smart Brabus. The installation is very easy.