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![Photo Hutterer & Lechner Extension, 130mm/d 145mm [Code number: HL 350]](/system/products/photos/000/004/493/original/hl_350-photo.jpg?1461296361)
Extension HL 350 is designed for increasing length of the HL drains, roof outlets and extension HL 350.0. Height is 155 mm, and diameter is 145 mm.
| Diameter | Material | Weight |
|---|---|---|
| DN, mm | gr | |
| 145 | polypropylene | 240 |
Download data sheet: 
Extension HL 350
![Draft Hutterer & Lechner Extension, 130mm/d 145mm [Code number: HL 350]](/system/products/drafts/000/004/493/original/hl_350-draft.jpg?1461294238)