Hey Mongosse,
Check out what I did http://boards.cannabis.com/indoor-gr...-ofs-unit.html...I now have it hooked up to my 150hps and it works like a charm...room temps have dropped to less stressful levels...What a difference it made...its amazing..

Peace,
Treetops :thumbsup:
Treetops Reviewed by Treetops on . carbon filter for smell can u just use regular charcoal from ur fireplace?? Rating: 5