I've used the DeWalt hose and barrel cover attached to a 55 gallon plastic barrel. It works great, as long as the draw string keeps the fabric cover on the barrel. When it fails, I get to clean my neighbor's pool (happened 2X in 10 + years).
I always take my 735 DeWalt planer outside to use it. The first day that I brought it home I was eager to see how well it worked, but didn't have the hose for it yet. With it sitting on a work bench at one end of my shop I ran a 18" scrap of 2 X 4 through it. The chips coming out hit the wall at the other end of my shop at almost the same height as the planer. What a mess. I waited for the hose to arrive, and have since done all of my planning outside my shop in the driveway. I mounted the planer to a Delta miter saw/planer stand that folds and wheels easily like a hand truck with the planer still attached. The planer is far too heavy to move around by it's handles without help. I leave it on the stand and sitting upright in the corner of my shop until needed, then roll it out into the driveway to use. I lay the handle down on the driveway and lift the top with the planer attached, up into the working height where it latches in place. I connect the hose and barrel and begin using it.
When finished, I lift and push the latch release, and then lower it to the ground. Gas springs in the frame remove much of the weight, making it much easier to lift and lower. I then lift the handle and wheel it back into my shop, again leaving it standing on end like a hand truck until I need it again. I keep the barrel upside down behind my shop to keep the inside dry and it's out of sight back there until I need it again. DeWalt makes a similar design miter saw/planer stand. The design was new when Delta and DeWalt separated, so I guess both got the rights to make them. DeWalt has improved the design considerably since then. I would get the DeWalt if I was buying new today. I made an adapter to match the mounting holes of the planer to the mounting rail spacing of the stand from a piece of 3/4" cabinet birch ply. It went together easily. after that.
There is a Black And Decker Leaf Collector hose and barrel cover that is very close in design to the DeWalt hose and cover that is now discontinued. I haven't tried one of these, but it may be worth looking at one to see if it can be used.
www.homedepot.com/p/BLACK-DECKER-Leaf-Collection-System-Attachment-for-Corded-B-D-2-in-1-Leaf-Blower-Vacuums-BV-006L/202045620
If anybody tries this, I would like to know how well it works. My DeWalt hose is beginning to need replacement.
Charley