First time I've seen this done....
I tried the RES from my Ultramax on my GGTB but it was too big so I'm guessing you need the RES from an Ultra. Perhaps someone with an Ultra and a GGTB can confirm this.
I tried the RES from my Ultramax on my GGTB but it was too big so I'm guessing you need the RES from an Ultra. Perhaps someone with an Ultra and a GGTB can confirm this.