Oneida Air System 5 Inch Connection Adapter

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This is a dust collection adapter for Oneida Air System's Super Dust Deputy 4" (AXD002041) - this item came with a 5" to 4" reducer for connecting to your dust collector. My Harbor Freight dust collector has a 5" hose attachment and I didn't want to step it down to 4" for my application. This adapter is the same 5 inch diameter on each side but does have a ring in the middle to act as a stop for the flex hose connection. The pictures I'm sharing show only a friction fit in the top of the Dust Deputy - the suction off the system has been just fine for me so I have not sealed / metal taped the connection. The hose stop ring is rounded over so that you can print it with the narrow side down and not have to print supports. Finally, this was a VERY tight fit on the 5 inch hose that came with my dust collector. I could not get the adapter in very far cold. Simply take a heat gun and blow warm air on the end of the hose for a 20-30 seconds and it will relax enough to slide on and seat nicely on the adapter. Tips and comments / feedback greatly appreciated.