TrueLife AIR Diffuser D9 Smart, 1 pc, Diffusers without Refill Home Scents, Fragrance has the extraordinary ability to turn a house into a home and instantly create a cosy atmosphere. TrueLife AIR Diffuser D9 Smart aroma diffuser without refill can add a lovely fragrance to any room and serve as a stylish accessory. Simply pick the best fragrance according to your taste and fill the diffuser. Characteristics: designer accessory that adds visual interest How to use: Follow the instructions included.