Just finished my vacuum silencer and overhead boom arm. Vacuum box has casters to move around the garage. It is lined with carpet and foam packing. There is a channel on the bottom that flows the air out the back. I hook it up to an automatic vacuum switch so it powers up when I run my Festool Domino and sander. I drilled holes in the inlet adapter so I can vary the flow from full on to partial. I have a rubber ring around it so I can cover all the holes or none. The boom arm swivels to wherever I want it. It is made from 2" PVC pipe. I had to install a steel pipe in the vertical portion as it was bending. The vacuum is really quiet in this housing. When the sander is running, I can't hear the vacuum whether it's on or off.
Thanks for looking,
Rob
Thanks for looking,
Rob