Yankee Candle(R) Lilac Blossom Smart Scent(tm) vent clip. Enjoy great, true-to-life Yankee(R) fragrance with vent sticks and neutralize odors in your car. Never run out of your favorite Yankee Candle(R) fragrance. Smart Scent(tm) Vent Clips feature a clear window so you can easily see when a replacement is due. The odor neutralizing unit fastens securely to any vehicle's dash vents. The 0.13 ounce has a fragrance life of up to 6 weeks.