BD Vacutainer EDTA (K2) Tubes in 3ml are sterile, evacuated blood collection tubes designed for whole blood haematology analysis. Spray-dried with 5.4mg of K2 EDTA anticoagulant, these compact tubes prevent clotting to preserve the cellular components of blood for accurate full blood count and related testing. Fitted with a lavender BD Hemogard safety cap for easy identification and safe handling. Supplied in a box of 100.