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A 1000ml aroma diffuser runs for up to 12 hours on a single fill. That makes it ideal for large rooms, open-plan spaces or overnight use.
Most models use ultrasonic technology to break water and essential oils into a fine cool mist. This preserves the oil's natural properties without heat damage.
Look for auto shut-off when the water runs low — a must-have safety feature. Many also offer adjustable mist settings and soft LED lighting.
Brands like Urpower, Asakuki and Homasy offer reliable options at varying price points to suit most budgets.