Ventvisors are aerodynamic side window deflectors constructed of smoke acrylic. Easy installation, tape mount. Brings fresh air into the cab, keeps inclement weather out. Lowers interior temperature while parked. Reduces window fogging and increases overall driver comfort.  Product photos are stock photos. Ventvisors may install differently on your truck than what is pictured.  
Sold as a pair.  

Fits Freightliner Cascadia P4 models 2018- 2022. Ventvisor extends down the entire front of the window and across the top.