dr- other then the size..... is the standard gt55 better then the compact? does it have more options/ flow more?
How do you test the flow on a charger? I have wondered this for a while but never asked?
Thank you. Can you tell a little how it works? Do you have one of these in house?
How does this compared to P/E baby 88 as to size , being same overall dimension ?? ((Housings))