Henry and Hetty are two of the most excellent vacuum
cleaners made by Numatic. (see link) To add to the range
they have now introduced a Henry and Hetty Siamese
This amazing machine features a single body that sprouts
two separate hoses. A single motor powers both hoses
the debris all goes into one container bag, but this is fed
by the two hoses.
A special valve arrangement ensures that each hose can
work independently without interfering with the suction
The advantage of Henry & Hetty The Vacuum Siamese
Twins is that two people can now enjoy vacuuming
together as a team deploying one device, with each
using a different suction tool.
Deluxe version can suck and blow at same time, and
triplets are under development.