Here are 2 workflows that contain the node ImpactSegsAndMask:

1.

Size: 19005 bytes

URL: https://github.com/xingren23/ComfyUI-for-ComfyFlowApp/blob/c0305dc8217e8fc1c12accda14b21ba37b87f6ae/workflow/custom_nodes/ComfyUI-Impact-Pack/basic-refine.json

2.

Size: 22925 bytes

URL: https://github.com/xingren23/ComfyUI-for-ComfyFlowApp/blob/c0305dc8217e8fc1c12accda14b21ba37b87f6ae/workflow/custom_nodes/ComfyUI-Impact-Pack/combination-refined.json