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These over-sized tubes are custom made to to fit existing tooling that was made for NEPT tubes.
With the sudden demise of NEPT, convolute tube users were left scrambling to find a replacement. Much to their surprise, our less expensive spiral tubes that they had been refusing to try for years performed exactly the same.
Nozzled, end burners, core burners, whistle, BP, all worked flawlessly. If you have a membership to Fireworking.com you can read the results for yourself.
Please Note;
These tubes now measure a little over 20" long. The original design gave you two 10" rockets with 4" of surplus. After a few requests, I shortened the length (and price) so you don't have to buy material you don't need.
- 5 Tubes
- 1.020" ID
- 1.380" OD
- 20 1/4" long
- 3/16" Wall
- ROCK HARD
- Spiral wound
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