It seems to do what it says.  You just need to remember to change the filter.  Compost only comes with one.  But so far I don't have any odor at least until I open it.  Also, if you're going to use it you have to buy the bags separately and I couldn't find that Wayfair sells them so had to buy elsewhere.  After having used it for a while, and since I'm a single person, I had well over 50 fruit flies come out of it all at once.  Had to stop using.