u mean the pipe thats used for connecting the hoses too right?? yea thats big enough as long as your hoses fit on it...i used the hollow threaded tubing used for making lamps...its about 1/4 inch....just ask a clerk for the hollow threaded tubing used for making lamps and they can hook u up...got mine at home hardware....almost any large universal building supply store should have these....for the bb holder found a premade set that worked but its basically a mini pvc version of the large pvc jar...with the unscrewable top...only difference is that the bottom is unscrewable and open....i think i will work on some drawings to help u guys out since iwont get around to pics...should have them up this week..hope this helped tatao..
