Refresh Your Car! Fresh Linen Scent Diffuser uses your car's climate control system to reduce odors and deliver a refreshing fragrance in your vehicle. Designed to last up to 90 days*, this car scent diffuser gives you long-lasting fragrance for every journey. Simply attach this diffuser to any vent in your car, truck or SUV for discreet air freshening. When the climate control system is on, this diffuser car freshener automatically fills the cabin of your vehicle with a pleasant scent. Fresh Linen is a crisp and clean fragrance that will remind you of your favorite sheets, dried on a clothesline by a billowing breeze. Refresh Your Car! auto air fresheners deliver refreshing, long-lasting fragrance to make your car feel like home. *on low and under ambient conditions