Macintosh Attaches to any Roomba for Yankee Candle fragrance throughout your home Starter pack includes Roomba fragrance holder and two fragrance inserts. Fits on all Roomba 400, 500, 600, and 700 series robots. Enjoy the juiciest, freshest, first-bite-of-the-apple fragrance of a just picked apple. A great fragrance for making your home feel warm and welcoming.