Freezer Cold room evaporators is for low temperature cold storage,when the cold room temperature is aroung -25 degree, ,select fin space of 9mm.
Commercial cold room air evaporatoras are base on evaporating temperature -31 degree, and the refrigerant 20 degree, are used in refrigeration storage room
Kitdoo brand double side blowing evaporator is one of refrigeration evaporators, DD series of double size blowing is a new super efficient heat exchanger achieves very high ratings