Pneumatic PicoPump: Injection and VacuumPneumatic microinjector with pressure & vacuum See the current Spec Sheet and the Microinjection Spec Sheet. Features Inject into a single cell down to picoliter volumes Regulated Hold & Injection Pressures, and Vacuum Pressure (external pressure source required, and vacuum if needed for your application) Pressure Input: 0 120 PSI Pressure Output: 0. 3 90 PSI Benefits Hold pressure prevents backfilling of the pipette by capillary action Ultra accurate