I'm definitely NOT impressed by the way the community reacted to the lack of indictment. That said, I'm equally unimpressed with the way the prosecutor fed the grand jury, should we all be so lucky as to have a prosecutor that doesn't aggressively cross examine the accused.
Jay Nixon handled...
Run a 12" galvanized snap seam trunk with 6 or 8" takeoffs for each light, a similar trunk on the other end of the lights goes to a 12" carbon filter.
Duct mastic the seams, especially on adjuatable elbows.