These thick walled tubes are custom made to to fit existing tooling produced by Wolter and others. There's no need to buy new tooling!
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.
Thin walled convolute tubes are more expensive. Why pay more to get less?
- 5 Pieces for a total of 10 feet
- .638" ID tolerance +-.005"
- .910" OD
- 24" long
- ROCK HARD
- Spiral wound