New Shopsmith DC-6000 Dust Collector
The benefit, as I see it, of the 90°elbow from Shopsmith is the elbow permanently attaches to the DC-3300 (or DC-6000) with screws and has a flange to make it mostly airtight. By the way, when I took the plenum off of my DC-3300, that is the only time that my 42" filter hood ever fully inflated, so there is some restriction in the plenum (even ...