2 X 2 pk refills Life scents is the new fragrance collection from air wick designed to, for the first time, recreate a layered fragrance like those we experience in nature, giving you an ever-changing fragrance that retains its freshness and strength over time. Through new patent-pending technology air wick has been able to present fragrance accords that remain separate in the air so that different scents are delivered in a completely random order giving you a truly natural and multi-dimensional fragrance experience. The first major advance in fragrance technology in over a decade, air wick life scents is sure to be a great addition to your home.