Products features:LED series Air-cooler is one kind of storage cooling equipment used in freon refrigerating, according to applicable temperature, there are 3 series including LEDL, LEDD and LEDJ,which can be used at different storage temperatures. LEDL type air-cooler is mainly applicable to about 0℃ fresh-preserved storages; LEDD type air-cooler is mainly applicable about -18℃ cold storages; LEDJ type cooling fan is mainly applicable to quick-freezing storages below-25℃.