Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Doesn't work.

I just honestly do not think this thing does anything. I bought this for the kitchen to replace the Honeywell HHT-011 (which worked very well but broke due to a fall) because we can smell cigarette smoke from first floor tenants coming up from under the kitchen sink cabinet. When I walk into the kitchen the whole room smells like smoke, whereas the previous Honeywell we had when pointed at the cabinet would suck the smell up immediately and we could never smell it. I really wanted this to work, it is attractive and sleek looking as far as air filters go, but I really think after two months of having it that all it does is use electricity, I don't actually think it works.