Fits most car air vents

On low setting, based on average driving and ambient conditions

ACTUAL PRODUCT

HOW TO USE:
1. Remove cap and insert bottle upright into device until it 'clicks' (keep embossing on bottle facing front) 
2. Push device onto one of the blades of the car vent in an upright position to avoid spills 

Do not push in between blades of vent 

To avoid spills, do not use on tilted blades, and never turn upside down