I used Pentosin ATF1. I didn't notice any increase or decrease in performance after using it, but my transmission had pre-existing issues before the change. Many people have used it without issue. You can get it in 5L jugs on Amazon for $12/L. I used 11L for two pan drops.
https://www.amazon.com/Pentosin-1058...dp/B00JMAQ0LW/