Invention Grant
US07651666B2 Air treatment device with reservoir refill 有权
空气处理装置与储层补充

Air treatment device with reservoir refill
Abstract:
Disclosed are devices for dispensing air treatment chemicals, and refill units for use therewith. Some of these devices have a well facing the heater and a transparent wall to view the use up of the air treatment chemical. Other of these devices have a refill with wells positioned in opposing directions.
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