Ambi Pur Primary Vanilla Voyage expels unpleasant odours and introduces the fresh, a long lasting fragrance to your car interior. How easy is it to use? This easy to control device, clips onto the air-conditioning vent inside your vehicle. Just turn the air-con on and adjust the level of dispersion as necessary to let the aroma waft through the space. The discreet size won't clutter your dashboard and after clipping it on you'll soon forget it's even there.