Roses Aroma Decor Diffuser Oil by Greenleaf, 16.9 oz by Greenleaf Gifts. $12.00. Aroma Décor Diffuser Oils provide a fragrance for every room. One bottle will last for a minimum of 20 hours. 16.9 ounces per bottle. NOTE: This formulation includes alcohol which is designed ONLY for use in a Lampeberger, Aroma Decor Diffuser, Claire Burke Lampourri or similar style diffuser. Not for use in Simmer Pots or Lamp Rings. DOT Regulations do not permit air shipment of this item.