Ventvisors / Windows Keep the elements out while you let the air in. Sleek, aerodynamic and functional, our line of window accessories will change the way you look at cabin comfort. Offering protection against sun, rain, wind and anything else Mother Nature dishes out, our window accessories look great and install fast. AVS Seamless Ventvisors is a new generation of luxury Ventvisors designed to complete and enhance the look of your luxury vehicle with subtle style and understated elegance.