Room Aroma Air Freshener for Roomba Featuring yankee candle a passion for fragrance. Attaches to any Roomba for Yankee Candle fragrance throughout the home. An easy way to keep your home smelling fresh every time you vacuum. The Starter Pack includes Roomba fragrance holder and 2 fragrance inserts. Each fragrance insert can last up to 30 days, depending on how often you vacuum. Fits on all Roomba 400, 500, 600 and 700 series robots.