refrigeration:1.CE UL approve 2.Quality Compressor 3.Copper Tubing 4.High-density-Foams 5.easy to operate refrigerator freezer refrigeration refrigerator compressorRefrigerants R404A: Refrigerants R404A's physical and chemical characteristics:R404A is a non-chlorine no altogether boiling mixed refrigerants and is a colorless gas under atmospheric,stored in the cylinder is compressed liquified ...