| ITEM CODE | I.D mm | WALL THICKNESS WT (mm) | MAX LENGTH m |
| NRF102 | 102 | 4 ~ 6 | 5 |
| NRF127 | 127 | 4 ~ 6 | 5 |
| NRF152 | 152 | 4 ~ 6 | 5 |
| NRF203 | 203 | 4 ~ 6 | 5 |
| NRF254 | 254 | 4 ~ 6 | 5 |
| NRF304 | 304 | 4 ~ 6 | 5 |
| NRF355 | 355 | 4 ~ 6 | 5 |
| NRF406 | 406 | 4 ~ 6 | 5 |
| NRF457 | 457 | 4 ~ 6 | 5 |
| NRF508 | 508 | 4 ~ 6 | 5 |
| NRF600 | 600 | 4 ~ 6 | 5 |
