The advantages of a Konkavex system over classic spirals:
| AD mm | L1 mm | Material | Min. bending radius | Weight | Item No. | |
|---|---|---|---|---|---|---|
| 5,0 | 9,4 | anodised aluminum* | 50 mm | 0,3 g | NK000001 | ![]() |
| 5,0 | 6,9 | anodised aluminum* | 40 mm | 0,2 g | NK000002 | |
| 5,0 | 5,0 | anodised aluminum* | - | 0,15 g | NK000004 | ![]() |
| 5,0 | 9,0 | anodised aluminum* | - | 0,3 g | NK000003 | ![]() |
* Alternatively available in other anodised colours


| ID mm | Material | Weight | |
|---|---|---|---|
| 1,65 | Fluoropolymer | 6,5 g/m | ![]() |
| 1,3 | Fluoropolymer | 8,5 g/m |
Fluoropolymer liner: