Holmes purifier?

I'm looking for a air purifier for my small indoor room.
I have this holmes air purifier

http://www.holmesproducts.com/air-purifiers/HAP9412B-UA.html#start=4

Has anyone used
this? Or has something useful in the device..like carbon filters?..

no i havent your on the right track... but anything that cleans the air is a pluss!!

smoke weed in your room, put that in there running. smell in 2 hours. test complete. post results below