iHerb Customer Reviews
Savings of: $0.80 (10% off)
seems to work...
Posted by Reviewer2617692 on Aug 27, 2013
but can't say it exactly.
Posted by 4694532000155514861 on Nov 11, 2013
It starts off strong, then is good for a few weeks depending on the size of your room, humidity etc., but then it basically stops working when there's still quite a bit of the stuff left in there. I doubt that the charcoal is doing much given the itty bit that's in there.
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