The Demon Tweeks Adjustable Dash Air Vent - Screw Mount are perfect for air outlets or demisters in rally and race cars or indeed anything that requires ducted hot or cold air. These high quality black plastic air vents can be rotated a full 360 degrees to enable air to be directed in any direction required. Used in many production vehicles, these vents can also be used as a better quality and priced alternative to the Eberspacher and Webasto outlets.They can be securely fitted by using the snap fitting into panels which are between 2 - 5mm thick, or alternatively by using the three screw holes that are in the fascia of the vent360 degree rotation means you can direct the air to wherever you need itSpecification:Outer diameter - 100.8mmHole size - 76mmMinimum temperature - -40 degrees CMaximum temperature - 90 degrees CMaterial - PA 6.6+GF30 / ABS