[Unique Rotating Design]The top and bottom of our car clips have different sizes of diffuser hole, you can rotate the white dot-marked end to control the concentration of aromatherapy. When you want a faint scent, you can turn off the diffusion port. [More Choice]According to different scent preferences, our car diffuser vent has included 12 refill sticks that absorb and dispense any desired essential oil or perfume with longer lasting fragrance allowing you more choice over your vehicle's fragrance. [New Exquisite Design]The custom car vent designed a newly Long cylindrical type brings you a different Visual effects. Drops your favorite essential oil giving you a joyable mood and slowing down fatigue when you driving. [Widely compatible]Silicone wrapped to avoid scratching the car vent but can clamp firmlynot limited to use in the car, suitable for universal vehicle vents,easy to installbut also for bathroom, office,kitchen,bedroom, pet houses and more [Great gift]This new car diffuser vent is a nice gift for your family and friends at any occasion. Continuous fragrance,essential oil solid Aromatherapy Natural freshness,the requirement of the quality of life begins with the details The solid incense stick does not leak, and it is not worried about the car's sudden brake or bumps. The perfume liquid leaks out and corrodes the car decoration. It is resistant to high temperature and does not melt. It adopts nano-absorbent cotton swabs and melts without exposure to high temperatures. Soaked with imported plant essential oils, it is healthy and harmless, and there is no danger. Easy to use: Just drop your favorite essential oil on the unscented stick and load it into the diffuser, then you just the car diffuser on the car's vent. colour:black Material:metal size:81*13mm Package Contents: 2 * Car Freshener 12 * unscented Stick Tips:not include essential oil Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.