Those in the uk who need to take care of their dust extraction this may or may not be of use to you.
Sucks like a … (hope I dont get in trouble for this one). Very very powerful and I have purchased the optional exhaust pipes to port outside so just in case any dust makes it’s way through it then vented outside.
Not a bad price too, £270.00
CamVac is the brand. Can be bought in 2 different hose diameters. Single or twin motor. Different size bins. Appears to be well made.
Will keep you updated on how she performs. I also got a huge hood adaptor for it for when I’m polishing and sanding. You can see it sucking from a meter above the work it’s that powerful.