Male adaptor
| ø mm. | COD. |
| 16- 1⁄2” | MB811/RM16A |
| 16- 3⁄4” | MB811/RM16B |
| 20- 1⁄2” | MB811/RM20A |
| 20- 3⁄4” | MB811/RM20B |
| 25- 1⁄2” | MB811/RM25A |
| 25- 3⁄4” | MB811/RM25B |
| 25-1” | MB811/RM25C |
| 25-11⁄4” | MB811/RM25D |
| 32- 3⁄4” | MB811/RM32B |
| 32-1” | MB811/RM32C |
| 32-11⁄4” | MB811/RM32D |
| 40- 3⁄4” | MB811/RM40B |
| 40-1” | MB811/RM40C |
| 40-11⁄4” | MB811/RM40D |