Quote Originally Posted by grey1223
Mine empties into my attic and no smell yet.
So, have all these folks 'never used one' and not know what they're talking about, either?



smileibiza:

Sorry about that. Mine is smaller, I'm pretty sure... but still runs almost constantly. I usually begin to notice it losing effectiveness after about 1.5-2 years. But it goes back to working like a charm when the carbon is replaced.