diptyque Tubereuse Diffuser 75 ml Refill is a floral room diffuser. diptyque reinvents home fragrance with an hourglass: an object that perfumes the areas around you, with great poetry. Simply turn it upside down to start its perfume diffusion cycle. Through an ingenious process that combines gravity and capillarity, the perfume flows slowly from one glass bottle to the other. Its refined fragrances then diffuse for an hour, a time that will become singular and unique. The velvety and honeyed scent of small and vaporous golden spheres.