| 摘要 |
A humidity altering device includes an impermeable housing confining a liquid absorbent element having a large capacity for holding a humectant liquid. The device is provided with at least one evaporation barrier which controls the rate of humectant liquid evaporation so as to maintain a predetermined level of relative humidity within a humidor for storage of various products, such as perishable foods and tobacco products, so as to maintain their freshness and desirability for extended periods of time.
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