I have a bait tube with alittle different plastic with pipe insulation I put on to muffle the sound from the tube bouncing off of the kayaks side
8) . Mine is made of the black plastic which is more bouyant then the white plastic which sinks like a rock. I bought a 6 foot section of the 3 inch black plastic from Lowes for $12.00 I still have a 3 foot section in the garage if you want it for $5.00. Then all you have to do is buy the end caps. I live in Chula Vista if you want to come by your more than welcome. And you can check out my bait tube. Thanks