
Yes, it is very durable. I have a small tent where I keep one of these in a 6" outlet with the lid off and only opened the foil lid a maximum of 1/4". I keep the open part away from the airflow to make the effect even weaker. Even so, it will actually get rid of the smell; I can smell the disguise, but it's not overwhelming. Either way, it's been good for the past few weeks. When there is less need I can just close the lid hoping it will last.

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