Resistance Point to Point (RTT): 10E2 - 10E6. Permanently black conductive HDPE provides maximum conductivity for required circumstance. Low Tribocharging - will not easily produce a charge when moved or lifted. Low internal contamination - the conductive in the plastic will not readily contaminate contents of bottle. One handed operation is perfect for cleaning with swabs and brushes. Dispenses approximately 2cc of liquid with each pump