- These 40 µL micro-hematocrit capillary tubes are plastic and untreated: They are for use in conventional 75mm hematocrit centrifuges
- The plastic micro-hematocrit capillary tubes help to eliminate the risk of injury and contamination associated with glass tubes
- These nonsterile, translucent capillary blood collection tubes have blue tips and are 75 millimeters in length
McKesson Capillary Blood Collection Tube without Closure, 75-millimeter Length