| - | Features |
|---|---|
| #1 | Can be used as a strong tubing for outdoor applications such as scaffolding, fence posts, and rails |
| #2 | Used for potable drinking water |
| #3 | Coated with zinc to prevent corrosion |
| #4 | Used for water supply pipes |
| #5 | Threaded on both ends |
| #6 | For delivering high pressure steam and air |