Well I had some extra PVC pipe just sitting in a corner and decided one of my tanks could use a new air delivery system. So I simply drilled a couples of holes in a 6 inch piece and put some joints on the end to air wouldn't escape out the sides.
Here are some pics.
My Puffers: Puffers I have kept: T lineatus T miurus A modestus T biocellatus C valentini C coranata C papuan C lorteti DPs suvattii burrfish T niphobles