High Density Polyethylene manholes are fabricated customized to fulfill all sights demands. All HDPE manholes are round shaped with a variety of diameters. The lengths of the manhole are customized as the sights needs.
| Inner Diameter | Thickness |
| 80 cm | 3.1 cm |
| 100 cm | 3.7 cm |
| 120 cm | 3.7 cm |
| 150 cm | 3.7 cm |