˙PP material
˙Good chemical resistance and temperature
˙The zigzag design of the tube prevents the tube from slipping off
˙PP material
˙Good chemical resistance and temperature
˙The zigzag design of the tube prevents the tube from slipping off
| Model number | OD(mm) | Inner diameter (mm) |
| BK-1250 | 4 | 1.3 |
| BK-1251 | 6 | 2.5 |
| BK-1252 | 8 | 4.5 |
| BK-1253 | 10 | 6 |
| BK-1254 | 12 | 8 |
| BK-1255 | 14 | 10.5 |