The ones I have are discontinued but, yes, they are the dual function. I just checked their site and they still list them (as discontinued), along with the suggested replacement:
https://www.superbrightleds.com/more...ulb/2625/5698/
As for cheaper, the prices have come down. When I bought these in 2015, they were $22.95 each and these replacements are $9.95. And I have double round tail lights, so bought 4...
Kevin