Jo Malone London Lime Basil and Mandarin Diffuser RefillApplication: Remove the cap from the oil and carefully pour into the diffuser vessel. Allow 24-36 hours for the fragrance to diffuse. Your diffuser will come with 10 reeds. We advise using all 10 at once for optimal diffusion.Additional refills sold separately.Please note, this is a refill165mlEach Jo Malone London item will be gift wrapped in the iconic cream and black box