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Fisherbrand™ Micro Blood Collecting Tubes

With tapered bottom tips to facilitate micro blood sample collection

Manufacturer: fisherbrand™  42E02-668-10

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Catalog No. 02-668-10


Description & Specifications


Capacity (Metric) 250μL
Applications Natelson and Caraway techniques
Additive Ammonium Heparin
Color Red
Diameter (Metric) Inner 1.44 to 1.76mm
Length (Metric) Tube 147mm
Product Type Micro Blood Collecting Tubes

  • For Natelson and Caraway techniques
  • Color-coded tops distinguish between plain and heparinized tubes
  • Heparinized tubes are treated with ammonium heparin
  • Natelson tubes have 1.44 to 1.76mm I.D., 147mm length
  • Caraway tubes have 2.59 to 2.81mm I.D., 75mm length


Accessories for Catalog Number: 0266810

Item Mfr. No. Item Description Price Per Unit Quantity  
Fisherbrand™ Hemato-Seal™ Capillary Tube Sealant
Nondrying, nonhardening, nontoxic compound for sealing hematocrit and other blood collecting tubes Pack of 10 Each for $72.33
Case of 10 Pack for $723.30