If this #fermenter has 2 sets of glycol water inlet and 2 sets of glycol water outlet, yes, it's with Dual stage glycol jacket.
Generally Fermenters with Dual stage glycol jacket， is more suitable for 2-batch brewing.
Do u need to choose fermenters with dual stages glycol jackets? Please leave your message, we will answers you questions one by one, anyway, hope our support will help you, see you next post:
Just to find the glycol water inlet/out 
