Reducing nipples
| ø inc. | Cod. |
| 3⁄4”-1⁄2” | MB310/NRBA |
| 1”-1⁄2” | MB310/NRCA |
| 1”-3⁄4” | MB310/NRCB |
| 11⁄4”-3⁄4” | MB310/NRDB |
| 11⁄4”-1” | MB310/NRDC |
| 11⁄2”-11⁄4” | MB310/NRED |
| 2”-11⁄4” | MB310/NRFD |
| 2”-11⁄2” | MB310/NRFE |
| 21⁄2”-2” | MB310/NRGF |
| 3”-2” | MB310/NRHF |
| 3”-21⁄2” | MB310/NRHG |
Reducing nipples
| ø inc. | Cod. |
| 3⁄4”-1⁄2” | MB310/NRBA |
| 1”-1⁄2” | MB310/NRCA |
| 1”-3⁄4” | MB310/NRCB |
| 11⁄4”-3⁄4” | MB310/NRDB |
| 11⁄4”-1” | MB310/NRDC |
| 11⁄2”-11⁄4” | MB310/NRED |
| 2”-11⁄4” | MB310/NRFD |
| 2”-11⁄2” | MB310/NRFE |
| 21⁄2”-2” | MB310/NRGF |
| 3”-2” | MB310/NRHF |
| 3”-21⁄2” | MB310/NRHG |