About the Refrigeration System : The sea water flake ice machine uses a refrigeration system to cool the evaporator. Common refrigerants are environmental friendly gas, R404a, or R507a. or others depending on the design and intended use of the machine. Machine Ice, Industrial Ice Cube Maker Machine, Ice Block Production Machine, Commercial Ice Dispenser Machine,Cooks Professional Ice Cube Maker. Tube ice size : the 29mm and 35mm tube ice are the most popular tube ice in philippines. The product will supply to all over the world, such as Europe, America, Australia,Albania, Egypt,Japan, Bulgaria.Food and Beverage Industry: Flake ice is used in seafood displays, meat processing, and produce storage.