check out this grow Aeroponic Tub Setup (1000w)
you will see he uses the tough boxes, and his pump is attatched to his sprayer manifold, from the manifold he branched out a piece of PVC to a ball valve for easy drainage. he doesnt have any pix on how he built it, but you can use the filthy fletch method, this grow is a sick yielder too and he i dont believe had much experience with aero

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SOL: It's the Russian. AVI:A Russian? SOL:To be technical hes Uzbekistanian?AVI:I been dealing with those Russian dogs. AVI:give me a name.SOL:Urinov,Boris TONY:BORIS the BLADE? as in BORIS THE BULLET DODGER?AVI:why do they call him the bullet dodger?TONY: bcus he dodges Bullets Avi