Hi I have a couple questions, for you all, I'm trying to build a speaker that has a hidden back or compartment with a fake wall or hidden door. The speaker will work and be hooked up for extra stealth and dimensions are H 3ft L 2ft and 1.5 ft wide while the compartment is only going to be 6 to 8 inches deep. Now to get started 1. Can I hook up a carbon filter to a pc fan as pictured or does it not have enough static pressure to work and I should go with the S and P td-100? http://m.grainger.com/mobile/details/?R=3CGA3 2. Is it alright to exhaust the "bad air" through the floor if I made little legs for the speaker? 3. Also what are some options to make the hidden door look real but have easy access to the grow area, (hidden door would be on side of speaker most likely).? Any and all input(help) on the situation is very much appreciated thank you.