# \#vacuum-holddown **URL:** https://forum.avidcnc.com/tag/vacuum-holddown/100.md [Latest](https://forum.avidcnc.com/latest.md) · [Categories](https://forum.avidcnc.com/categories.md) · [Tags](https://forum.avidcnc.com/tags.md) --- ## [EX controller, CNC12, Dust Collection and Vacuum Hold Down](https://forum.avidcnc.com/t/ex-controller-cnc12-dust-collection-and-vacuum-hold-down/5829)
**Author:** [@tmarshall](https://forum.avidcnc.com/u/tmarshall)\ **Replies:** 2\ **Last updated:** [March 2, 2026, 2:53pm UTC](https://forum.avidcnc.com/t/ex-controller-cnc12-dust-collection-and-vacuum-hold-down/5829 "2026-03-02T14:53:53Z")
I’m currently running a 5’x10’ Pro with the legacy CRP800 controller, NEMA 34 steppers, and an 8.6HP Hiteco spindle. Dust collection is controlled through an iVAC Pro Switch + iVAC Contactor, and I have a custom-built va…