What it is: An innovative, liquid-free diffuser that allows you to customize the strength of your fragrance.What it does:Spill-proof and maintenance-free, this first-of-its kind innovation delivers a unique and beautiful way to transform any room without a flame or liquid. NEST’s Liquidless Diffuser™ allows you to fill the air with the perfect amount of your favorite scent and customize the strength of your fragrance to your room size and preference. Simply adjust the number of ScentSticks™ housed in the open-air, custom-designed vessel to promote continuous airflow and make an elegant visual statement. Begin with two ScentSticks and adjust the fragrance strength based on your preference. Refresh the fragrance every 30 days by adding another ScentStick to the vessel.The Birchwood Pine aroma is reminiscent of a majestic, winter forest. It is created by blending white pine, fir balsam, and birchwood over a base of rich musk and amber.Notes:White Pine, Fir Balsam, Birchwood, Rich Musk, Amber.Style:Classic. Aromatic. Woody.