hey guys so im a week into flower for my first grow.. everything is going great so far. im not tooo concerned with smell being that my parents ok'd the grow..

my question is my tent is in my basement in a seperate room and there is no way to exhaust outside. my exhaust fan is blowing out of my tent into the 10 x 10 room it is in. my question is has anyone used the stand alone carbon filter that just sits on the floor? i am considering buying this if it would be an advantage for me. so the filter would clean the air that has been exhausted but is this ok being that the inake will bring in the air that has already been used by the filter? is this ok? im sorry if this is confusing but i am just trying to see whether this would be harmful to the plants or the carbon in the air that would be intaked back into the tent would be bad? any help would be great, rep for my RIU homies..

i found this one on ebay, what u think?
http://cgi.ebay.com/6-x-14-ACTIVATED...item5885f1c289