"Trough the wall" Duct for Vacuum exhaust.

 own a semi-industrial vacuum machine and it has a filter bag on the top. The problem is that the very fine dust particles not stayed in the bag but ended up in my workshop. I created this External Mountable Duct . One site I put it through the wall and the other site i connected to the bag with a printed adapter. (see files) Now most of the very small particles are blown outside.

Hole drilled is 63mm Use some sealant, glue or tape to place the outside unit then use sealant on the inner unit and pvc glue to seal both together. (thickness of the wall between 8 and 14 cm. Put the adapter ring on the bag, draw the outlines with a marker and make four holes for the M6 bolts. screw the 2 adapter rings together and then cut out the hole in the bag.

Use 60mm pipe or flex to connect them together.

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Happy printing