What do you use as a bench vac?

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Actually, that contraption was a great bench vac. It was a Tellus dual motor machine with 170 cfm roughly and about 80 inches of water. It had a ridiculously large filter that never really lost CFM until it was properly clogged. It had a 50 liter bucket. It did eventually lose 70 odd CFM I am guessing, which became far too wimpy for me. I fixed it by attaching a beam power unit with the motor stripped out as a seperator. That seperators never let the suction drop. Literally no dust or anything got through. It did cut off 40 odd cfm though.

I think the reason why it worked so well is because the dust had to go up about 2 feet. through a 12 inch diameter hole. That meant the air was moving slowly straight against gravity for a fair while. I used the port on the front, so the air was very turbulent too. In fact, If I wanted to there was the option of remotely controlling the suction unit with the units circuit board.
 

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