... grade stainless steel 100L 1.0mm,150L-250L 1.2mm,300L 1.5mm,400L-500L 2.0mmOuter tankcolor steel 0.5mm ... , whitePreservation layerimported PU foaming 55-60mmCapacity100L,150L, 200L, 260L, 300L,400L,500LCopper coil length15-25m, 12 or 16mm diameter,1mm ...