In NET Engineering, users have the option of defining duct-fitting types themselves. The form is opened by double-clicking in the Type field in the Duct fitting form or in Industry-Model Explorer > Duct > Duct Fitting > Duct Fitting type.
Tabs
| Attribute | Description |
| Name | Enter the name of the duct fitting type here. (1) |
| Info | Entry of information regarding the duct fitting type. (2) |
| Maximum connectable ducts | If a fitting is to connect more than two ducts to one another, the number must be entered here. A corresponding question about the ducts to be connected is then asked in the Add duct connection workflow. (3) |
| Active | Only active duct fitting types can be selected from the drop-down list in the detailed form for duct fittings. (4) |
| Manufacturer’s details | |
| Manufacturer | This is where the manufacturer can be selected from the database. (5) |
| Designation | The name of the manufacturer for the duct fitting type can be entered. (6) |
| Order number | Specification of the order number. (7) |
| Material cost | Specification of the cost and currency for the material. (8) |
| Service cost | Specification of the cost for the service. (9) |
| Description | The description of the duct fitting type can be entered here. (10) |
| Documents | Whether documents have been attached to the form is displayed. (11) |
| Assigned duct fittings | Clicking on  lists all duct fittings that use the current duct-fitting type. The  button displays all duct fittings to which a duct fitting type has been assigned in the filter. (12) |