All my reed diffusers are no packaging,so no more throwing away a pretty box and packaging, and come in a variety of lovely fragrances. Each diffuser is 100ml, in a 150ml bottle. The gap at the top of the bottle reduces unwanted evaporation, and also reduces the risk of spillage when the reeds are inserted. Each diffuser comes with 7x 5ml reeds, which maximise the diffusion rate of the diffuser.  The reeds are longer, to balance the longer bottle, and they are natural in colour, and made of fibre, not wood, so they need less turning. And I sell refills, so even less waste.
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