| 摘要 |
A diffuser 1 for diffusing essential oil into a room using steam comprising a housing 2, a liquid container 6 in the housing, a heater 11 for heating the liquid in the container 6 to vaporise it, and a support 5 for holding volatilisable-substance matter 20 above the liquid container. For convenience, the volatilisable-substance matter 20 is in the form of an aroma packet, having upper 22 and lower 23 cellulose tissue webs, holding between them some dried plant material, for example lavender blooms. The webs are sealed together at their edges by a rim, which is sized to fit the support of the diffuser.
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