450mm diameter Chamber Riser (315mm Invert)
- Quick & Easy to Install
- Lightweight
- Easy to Joint
| SPECIFICATION | |
| Brand | Brett Martin |
| Sub Brand | Underground |
| Unit Length of Piece (mm) | 530mm |
| Unit Width of Piece (mm) | 530mm |
| Unit Height of Piece (mm) | 230mm |
| Unit Weight of Piece (Kg) | 1.8kg |
| Main Material | uPVC |