FAQ: Do you offer a dual extruder version of the F410? – Fusion3
+1-877-452-0010, M-F 8am-6pm US Eastern Time sales@fusion3design.com

We have many customers request this, however, the 3D printing filament market still has not produced a reliable soluble support material that would justify the significant performance degradation that come from the increased mass of having 2 print heads.