| Material |
Thermoplastic synthetic rubber |
| Hole diameter |
21,5 – 22,2 mm (also available in 24-34 mm) |
| Pressure-water-tight |
5 bar MPA tested |
| Radon-proof |
Yes |
| Volume expansion |
700 % concrete water, 1000% rain water |
*Non-binding information and illustrations. Changes to dimensions, weight, and materials reserved.