Yankee Candle Midnight Lattice Scent-Plug Air Freshener Base Now get more power of choice for less! New Scent-Plug Air Fresheners now come with decorator shades in a choice of colors. They also now come without fragrance oil, so it's easier to pick the authentic Yankee Candle fragrances you want. Of course, you still get the same great adjustable intensity, reliable 24/7 fragrancing. Designed to work with our Scentplug refill (sold separately). Unit Life: Up to 2 years