4 Piece set Maximize your fresh air enjoyment. Optically transparent. OEM quality. Sleek aerodynamic styling. Reduces wind noise. Installs inside the window channel. No unsightly exterior tape. Minimizes interior heat when parked. Helps keep side windows dry in the rain These HHR low profile window deflectors help to reduce wind noise and allow interior heat to escape. WeatherTech® Side Window Deflectors offer you fresh air enjoyment in your HHR with an original equipment look. They are crafted in Germany from the finest 3mm lightly-tinted or dark-tinted acrylic material available. Installation is quick and easy, with no exterior tape needed. WeatherTech® Side Window Deflectors are precision-machined to perfectly fit your HHR. .