Please help me decide

Hi everyone,
I hope you can help me decide what I need. I'm buying a cup for myself, but I have no experience and don't know anyone who uses a cup that I can ask for help. My biggest concern is that my cervix is really low, as in 1-2 inches. I really want this to work because I hate pads. I think I have a fairly light flow. Typically the first 3 days, I can completely fill a maxi pad in about 24 hours, although my cycles have been somewhat lighter lately. I need something that will hold my flow for at least 9 hours because I work as a CNA in a nursing home and there is very little time for fiddling around with a cup during break. I had decided on the Mooncup UK, but then I discovered that there were quite a few more brands than the ones I had heard about. Now I don't know what to do.

Thanks for the help