展开A fragrance diffuser insert of the light & citrusy Fleur d'Oranger (Orange Blossom) scent - compatible with Diptyque home, wall and car diffuser systems. This diffuser cartridge fragrance is a deliciously tart and lightly spicy ode to the orange tree. How to Use:: Ingenious, these cartridges contain pearls highly concentrated in perfume, faithfully reproducing each note of the fragrance. The cartridges can be kept for up to 3 months after opening, provided the container is properly closed after use. Lifespan of 40 hours continuously or up to 80 diffusion cycles (1 cycle corresponding to 1 hour).