Australian Soapworks Wavertree & London Reed Diffuser 250 ml - Lemongrass & Lemon Myrtle has a unique glass container, rattan reeds and a filled bottle of carefully blended fragrance oil. Approximate fragrance time up to 6 months. Varies by the number of rattan reeds used and frequency of flipping. Lemongrass essential oil from Nepal & Lemon Myrtle essential oil from Australia have been combined to create a truly exceptional fragrance.