The Lavanda 2000 is our most versatile machine. It can work as a stand alone unit as well as through HVAC. It covers up to 6000 SQFT. It can be controlled via the Aroma App or directly on the diffuser.  Compatible with Levona's 700 ml refill bottle. Subscribe and save to ensure you always have your favorite scent on hand. Compatible with Levona's 700 ml refill bottle. Refill: 5-7 months depending on strength setting. Subscribe and save to ensure you always have your favorite scent on hand.