Our latest innovation uses state-of-the-art technology to release 90+ days of fragrance without a flame or liquid. The Liquidless Diffuser allows you to customize the strength of your fragrance to your room size and preference. Simply adjust the number of Scent Sticks housed in the open-air vessel - custom-designed to promote continuous airflow and make an elegant visual statement. Each Liquidless Diffuser comes with five Scent Sticks and one vessel.