GN047+SPC-43: i.Trek Removable Swivel Air Vent Mount for Garmin Nuvi and Garmin StreetPilot (Clip Locking), 4.3" Screen Protector for Personal Navigation Devices (Bulk) GN047 Mount is a breakthrough in mounting technology. It features Arkon's new removable swivel air vent pedestal specifically designed for use with the Garmin Nuvi and Garmin StreetPilot GPS devices having the 17mm swivel ball mounting pattern. The removable air vent pedestal can be moved easily from vehicle to vehicle without damaging your vents, when used properly. It's the perfect travel companion. This solution is designed for use only with vehicle's having horizontal air vent louvres. This screen protector is custom-cut for GPS devices with 4.3" screen size. The screen protector is shipped with two backing film to prevent unwanted dust and lints on the actual screen protector. The super-tough transparent film is scratch resistant and will keep your screen look like new for years. The screen protector is transparent. The blue tint is the backing film. The small air bubble will disappear after few hours. The screen protector does not have adhesive and can be reapply if needed. Before applying the screen protector, please make sure to clean the screen throughly. The air bubble is usually caused by dust or lint on the screen. The screen protector comes with two backing films. You detach the 1st backing film (transparent) a couple of cm by pulling on orange tab (1). Then you take this side of the screen protector along the suitable position of your device, so you still can get the backing film. Applying the screen protector slowly while removing the 1st backing film. Watch out for air bubbles. After the screen protector covers the screen, you can remove the 2nd backing film (blue) by pulling on the blue tab (2).