Our 6ml Car Diffusers, available in 6 fragrances, are perfect for bringing your favourite scents to your vehicle. Simply unscrew the collar, remove the stopper, and gently screw the collar back on to release 30 days of freshness. Turn over every few days to replenish fragrance if needed. Available in 6 fragrances: Bergamot & Oakmoss, Fresh Linen, Invictus, Lemongrass & Persian Lime, Pomegranate & pink pepper and White Narcissus.