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FAIRBIZPS Vaccine carrier is the lifeline for heat-sensitive vaccines and is essential for the transportation of these vaccines from the place of manufacturing to the place of field storage and final carriage to the place of immunization. Thus, CFC-free cold chain equipment ensures a pre-determined safe temperature range (-3 to + 10 C) for a particular period known as the cold life of the product. Vaccine carriers are insulated containers that, when lined with coolant packs, keep vaccines and diluents cold during transportation. They are smaller than cold boxes and are easier to carry when walking. COLD LIFE: The empty container is stabilized at +43°C and loaded with icepacks. Cold life is measured from the moment when the container lid is closed until the temperature of the warmest point in the vaccine storage compartment first reaches +10°C, at a constant ambient temperature of +43°C. COOL LIFE: The empty container is stabilized at +43°C and loaded with coolant packs which have been stabilized at + 5°C for a minimum of 24 hours. Cool life is measured from the moment when the container is closed, until the temperature of the warmest point inside the vaccine storage compartment first reaches +20°C, at a constant ambient temperature of +43°C. COOL-PACK: A water-pack pre-cooled to a temperature between + 2°C to +8°C before use. ICE-PACK: A water pack is frozen to a temperature between -5°C and -20°C before use. Ice-packs are used frozen for the transport of Vaccines and used. TEMPERATURE STABILITY: The vaccine carriers and cold boxes are tested for temperature stability at ambient temperatures of 43°C and -20°C to ensure that under field conditions the equipment will perform optimally. The frequency and duration of door openings will raise the internal temperature of the boxes and will shorten the Cold life and Cool life.