Stepped Manifold
| Code | Size | Exit | Box |
| 40101/1 | 3/4 * 1/2 | 2b | 6 |
| 40101/2 | 3/4 * 1/2 | 3b | 6 |
| 40101/3 | 3/4 * 1/2 | 4b | 6 |
| 40101/4 | 3/4 * 1/2 | 5b | 6 |
| 40101/5 | 3/4 * 1/2 | 6b | 6 |
| 50101/1 | 1 * 1/2 | 2b | 5 |
| 50101/2 | 1 * 1/2 | 3b | 5 |
| 50101/3 | 1 * 1/2 | 4b | 5 |
| 50101/4 | 1 * 1/2 | 5b | 5 |
| 50101/5 | 1 * 1/2 | 6b | 5 |
| 50101/6 | 1 * 1/2 | 7b | 5 |
| 50101/7 | 1 * 1/2 | 8b | 5 |
| 50101/8 | 1 * 1/2 | 9b | 5 |
| 50101/9 | 1 * 1/2 | 10b | 5 |
| 50101/10 | 1 * 1/2 | 11b | 5 |
| 50101/11 | 1 * 1/2 | 12b | 5 |
| 60101/1 | 1.1/4*1/2 | 2b | 4 |
| 60101/2 | 1.1/4*1/2 | 3b | 4 |
| 60101/3 | 1.1/4*1/2 | 4b | 4 |
| 60101/4 | 1.1/4*1/2 | 5b | 4 |
| 60101/5 | 1.1/4*1/2 | 6b | 4 |
| 60101/6 | 1.1/4*1/2 | 7b | 4 |
| 60101/7 | 1.1/4*1/2 | 8b | 4 |
| 60101/8 | 1.1/4*1/2 | 9b | 4 |
| 60101/9 | 1.1/4*1/2 | 10b | 4 |
| 60101/10 | 1.1/4*1/2 | 11b | 4 |
| 60101/11 | 1.1/4*1/2 | 12b | 4 |
| 70101/1 | 1.1/4*3/4 | 2b | 4 |
| 70101/2 | 1.1/4*3/4 | 3b | 4 |
| 70101/3 | 1.1/4*3/4 | 4b | 4 |
| 70101/4 | 1.1/4*3/4 | 5b | 4 |
| 70101/5 | 1.1/4*3/4 | 6b | 4 |
| 70101/6 | 1.1/4*3/4 | 7b | 4 |
| 70101/7 | 1.1/4*3/4 | 8b | 4 |
| 70101/8 | 1.1/4*3/4 | 9b | 4 |
| 70101/9 | 1.1/4*3/4 | 10b | 4 |
