Yankee Candle Smart Scent Vent Clip, Sage & Citrus This blend of earthy sage, luxurious talc, and lemon-lime creates a natural harmony Clips easily onto car vents; also great in other small spaces like lockers or closets Up to 30 days fragrance life SmartScent Vent Clips work best with temperatures of 70 degrees (F) or above flowing from the vent