Globe Scientific precalibrated glass capillary tubes are marked with a black calibration line at 60mm from one end
The calibration line establishes a uniform blood column length
Treated with ammonium heparin, these tubes are designed for both safe blood collection as well as accurate micro-hematocrit determinations
Inside Diameter: 0.55mm +/- 0.05mm
Outside Diameter: 1.5mm +/- 0.05mm
Length: 75mm +/- 1mm
Material: Borosilicate Glass
Calibrated at 60mm
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No return will be accepted by the seller for any reason without prior written authorization. Returns will be accepted within 30 days of shipment, only if products are in new and unused condition (must be in original, unopened carton/packaging) and accompanied by a health and safety declaration as regards potential contamination with hazardous materials due to customer use of the product. The manufacturer reserves the right to assess a minimum 20 percent restocking fee at their discretion. All shipping charges remain payable. This manufacturer assesses order cancellation fees if a submitted order is cancelled prior to shipment.
NOTE: Discontinued items, sterile products, special order items, and prefilled containers are NOT returnable.