Chillout AirCon V2 Helmet Cooler Plenum Size:3 Inch Do I need the window

Do I need the window glass removed to install this

This is the left-side bracket

CNC milling

providing effective protection against daily foot traffic

Chillout AirCon V2 Helmet Cooler Plenum Size:3 Inch Do I need the windowChillout AirCon V2 Helmet Cooler The Ultimate Solution for Motorsport Stay cool, focused, and at peak performance with the AirCon V2 Helmet Cooling Systemthe most advanced helmet cooling technology engineered for professional and amateur motorsport drivers. Whether you're racing in extreme heat or need to maintain cognitive clarity during long stints, the AirCon V2 delivers continuous, powerful, and dry cooling airflow directly to your helmet,