* Rhubarb fragrance* Diffuser refill oil* Lasts up to 21 weeks* Sweet & delicious notes of rhubarb & elderflower are beautifully balanced by freshly picked peony & fig leaf before settling on a creamy vanilla base Add a sweet scent to your home with our Rhubard Diffuser Refill. A sweet & delicious note of rhubarb & elderflower are beautifully balanced by freshly picked peony & fig leaf before settling on a creamy vanilla base within a 240ml bottle. Lasts up to 21 weeks, this diffuser refill is perfect for topping up glass diffuser bottles once finished.