CIRC.J/BOX with 2 way through entries

| Size | D | d | L | D1 | H1 | H2 | Part Number |
| 20 | 24.4 | 20.25 | 20 | 65.6 | 41 | 105 | AS16020 |
| 25 | 29.4 | 25.25 | 25 | 65.6 | 41 | 115 | AS16025 |

| Size | D | d | L | D1 | H1 | H2 | Part Number |
| 20 | 24.4 | 20.25 | 20 | 65.6 | 41 | 105 | AS16020 |
| 25 | 29.4 | 25.25 | 25 | 65.6 | 41 | 115 | AS16025 |