< ul >< li > Vent deflector is an essential part of any ventilation system , allowing you to redirect the airflow from your HVAC unit to where it is needed . Our widen vent deflectors can be used for floor vents , sidewall vents and ceiling registers .< li > No tools needed , easy to install and use .< li > The strong magnets keep the unit in place , you just have to adjust the length .< li > Sending the AC air to the center of your room for better airflow .< li > Heavy duty unbreakable plastic won ' t broken by kids or pets easily , and year - round savings on heating