Linen and sky car vent clip sends odors packing and adds a note of freshness to your ride. Adjustable dial lets you control the fragrance level to select the perfect amount of scent for you and your passengers. Linen and sky scent eliminates and replaces odors with the fresh-off-the-clothesline scent for up to 30 days. To activate the scent, simply push the clip until you hear it click in, attach it to your vent and drive on with freshness. Vent clip is perfect for mom mobiles, commuter carpools, dog cars and more.