There were three versions, the C like style, the D style (which I have never seen, and I am wondering if this is them) and the commonly O style.
I don't know the actual part number, as you have probably realised. I am using the alphabet to refer to the shape of the protrusion on the end cap. It's been a long day and my brain is wanting to stop functioning
this can make sugar bounce on the carpet like old hoover
Highly unlikely without beater bars. I've yet to see a cleaner without a beater that will make anything bounce on a carpet as well as a Hoover. I'll believe it when I see it.
I honestly couldn't say Tayyab. I've not seen one in person or been able to try one out yet, I'll come back to you once I've had the chance to use one .