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ESR Tube-3.8% Sodium Citrate Tube 
 
Material PET/GLASS
Cap color Black
Additive 3.8% Sodium Citrate(1:4)
Specimen Whole Blood
Specification 8*120mm,13*75mm,
Draw volume 1.28-5ml
Max. vacuum degree tolerance ±10%
Invert the tube for 6-8 times gently.