Refra island stand with propane chiller and propane heat pumpRefra meeting area under green mesh with R290 natural refrigerant unitRefra natural-refrigerant unit with GWP 3 marking and open control cabinetRefra propane R290 refrigeration units with Baltic Master counterRefra refrigeration unit with doors removed to show its componentsRefra and Rütgers "Green Cooling" unit with open service doorsRefra stand interior with FlexBlue project wall and barRefra unit with open control cabinet labelled "Natural Refrigerants"Refra and Rütgers "Green Cooling" unit with open service doorsRefra natural refrigerant unit with raised canopy and control panelRefra air-cooled unit with V-shaped coils and natural refrigerants labelVisitors inspecting the Refra natural refrigerant unit under leaf canopy
