The needles to use are contained in the kit and are 19 Gauge. If you prefer, you can use one of you needles, but they have not to be too much thin to allow a safety flow for the platelets.
The needles to use are contained in the kit and are 19 Gauge. If you prefer, you can use one of you needles, but they have not to be too much thin to allow a safety flow for the platelets.