In Channel Wind Deflector

In Channel Wind Deflectors, also called In Channel Rain Guards, are constructed with aircraft grade acrylic and slip directly into your vehicle's window channel making installation quick and seamless.

Secured with 3M automotive grade tape (and no exterior tape required), they allow for a clean look and fresh air circulation during any season of the year. 

Finish: High Gloss Smoke
Material: Aircraft Grade Acrylic
Warranty: Limited Lifetime

Installation

https://www.westinautomotive.com/images/ePIM/original/InChannel1.pdf