I wondered if maybe they were mistakenly tieing PHP to ABS option together.
I tried to find information and photos on their site, but they don't make it easy. Do they even have a web page on the two parts - with photos? I even tried searching in their on-line catalog - doesn't seem to work either by drill-down or part number search. They apparently don't know their product, and their web site doesn't work. I'm not getting a good feeling about them as a company.