I've had quite a few people who would like the convenience of attaching their 4 inch hoses to multiple machines and not have to fuss with the hose clamps. I wasn't able to produce one myself, but I've come up with a work around using an already made product from O'Skool. It will allow you to put my adapter on either a 120mm or 80mm port, then attach the O'Skool magnetic adapter.
Here is a link to a video I made demonstrating it for those interested
Here is the link to the items in my store;
You can buy the O'Skool magnetic part from O'Skool themselves, or from Amazon and Woodcraft.
Bill B¨¦langer