Febreze Vent Clip Car Air Freshener - Vanilla with Odourclear technology continuously cleans away tough lingering odours from your Car, leaving a light fresh scent up to 70 days. Odourclear technology cleans away odours and freshens your car even from the toughest odours, such as food, pets, smoke or trash. You can even control the intensity of the scent by adjusting the dial on the side. Febreze Car is easy to use, it doesn't need any battery or electricity, and lasts up to 30 days, so you and your guests can breathe happy. I bought this when it was on offer and I have not been disappointed! It smells amazing , all my friends keep asking me what the amazing smell is ! Unlike most car fresheners that mostly mask with fragrance, Febreze Car Freshener truly cleans away odours, leaving nothing but a delightful fresh scent in your car. It is a small, discreet air freshener device that simply clips to your car air vent.