tubes could definitely work. I wasnt sure or the PSI rating. Do they come in a say 3" diameter, even though 4 would work. and i assume id just use end caps to seal them off? but would the ends hold the pressure too?
point of the square-ness is for neater packaging. Could always put the pipes in a plastic housing. hmmm
Last edited by V; 09-18-2010 at 07:32 AM.
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