Google recently began testing a different variation of mobile product card units, which is the Google Shopping format of a knowledge panel.
— Josh Leibner (@JoshLeibner) August 3, 2017
By selecting any filtering options will bring the user to the Google Shopping overview page for the product.
Search Engine Land was able to replicate the format on several product searches. Below is an example they gave for a specific model of Cuisinart coffee maker.
Here’s a list format showing on a product card unit for a different model of Cuisinart coffee maker.