The internal drain connector is suitable for flush mounting as well as for exposed pipe connections. The MRS is made of a high-quality EPDM sealing material, which is characterized by durability and has a noise-reducing effect in downpipes.

Internal Drain Connector - for the internal connection of pipes with different dimensions.
| Article Number | Reference | A Size Range (mm) | B Sizes Range (mm) | L Length (mm) | Resistant to (bar) | Weight (kg) |
|---|---|---|---|---|---|---|
| 500130 | Internal Drain Connector MRS 110 | 50/40 | 50/40 | 98 - 105 | 33 (66) | 0.5 | 0.2 |
| 500131 | Internal Drain Connector MRS 110 | 90/75 | 90/75 | 98 - 105 | 33 (66) | 0.5 | 0.1 |
| 500142 | Internal Drain Connector MRS 75/50 | 50 | 68 - 73 | 33 | 0.5 | 0.1 |
| 500143 | Internal Drain Connector MRS 125/110 | 110 | 117 - 119 | 34 | 0.5 | 0.1 |
| 500144 | Internal Drain Connector MRS 160/110 | 110 | 148 - 153 | 34 | 0.5 | 0.3 |
DIBt-Approval (Z-42.5-600)