| Part No. | Description | Pricing EA |
| VGF4 | SIS VG7070 and Vestec filament, ribbon |
SIS manufactures replacements for the VG Autospec filament which are similar in design to the original VG filament. This new design is a direct retrofit.
The Autospec design (VGF4) has a vertically mounted coil.
Replacement Coils (Part No. HC21) are also available from SIS.