On the projected equipment I would take @spdking offer and build out when
More pumps get involved
I always find the handhelds nice to work with also their weight make them
Very useful in future setups where they do not bring much pressure on the glass
They are super handy when buying second hand pumps bring and check on the spot
All in all a tool that will have uses always
If you are to place it between coldtrap s
Make sure you find the right T for it