|Woodsmith Magazine||ShopNotes Magazine||
In the latest issue of Workbench:
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Connecting a 4″ flexible hose from a dust collector to a shop-made fixture (like the sanding downdraft table shown here) can be a nuisance. The outside diameter of all the 4″ metal HVAC fittings I’ve seen is just a bit too large to get the hose to fit over them. So I have to cut slits in the fitting and then compress it to make the hose fit.
To avoid all that fussing around, I used a 4″ x 3″ PVC toilet flange to make a dust-collection port. The flex hose fits snugly over the flange. And best of all, it doesn’t require any modification. Note: Toilet flange fittings are available at most home centers.