Ive not got the exact same. These look a bit better. I think I can get 4x unit mixes in mine. They are really good when it needs to be deep, or probably for the guys that use rakes.
Up to 6 bags and Neilydun you need to move quicker you old goat. you know, we all don't have all the time you have ..
Like the funnel part, seen others without and watched people pour all over the place ie skirting/walls.. carpets staying down . How difficult are these to clean/maintain?