Walnut Wood Sphere Passive DiffuserMeet the Mini Wood Sphere Diffuser crafted in rich walnut. Known for its durability and natural resistance to moisture, walnut wood is an ideal material for slow releasing fragrance, allowing your essential oils to diffuse gradually into the air. Walnuts natural density and fine, tight grain give it a smooth, luxurious feel, while also lending itself to a controlled, even absorption of oilsperfect for creating that gentle, all day scent experience.