... duration >=38h medication, vaccine, food cooling TOP Class quality WHO 30L cooler box, for medicine, food coolingPhysical dimensions of case:570 ... of insulation layer: ≥20mmDensity of insulation layer: ≥40-45Kg/m³Refrigeration duration: 38hIce pads: 0.4L ice pads*18Grade of ... Vessel: V, Parts:III also have 6L, 10L, 12L, 18L,30L, 48L, 54Lwe accept OEM, welcome contact us for more information ...