Our 500ml Portobello Oud Diffuser Refill fills the room with a spicy and woody scent. Made in small batches at our Wiltshire factory and fragrant with notes of Patchouli, Leather, Sandalwood & Ginger, the refill is perfect for keeping your living room or study, fresh. The refill contains 20% fragrance – the equivalent of a ‘pure perfume’ and stays fresh for up to 24 weeks.