Can't locate neutral density gradient filter in Photoshop 2020

I use a Mac with Catalina Operating System.  I have tried chatting with an operator online and the operator was unable to locate it.  I used this filter by clicking on the graduated filter tool.  Used to see a number of filter collections as options, such as pastels, simple, and neutral density.  Now all I can access are coloured filters, part colour, part white, with no transparent portion.  I really miss this tool.  Where can I locate it?