MINI EDTA TUBE (K2): Purple or Lavender Cap View Details Flash Hub Vacuum Blood collection Needle View Details Vacuum Blood collection Luer-adapter (Blue) View Details Multi-sample Vacuum Blood collection Needle View Details Nidovac™ Clot-act GEL Tube (Yellow/ Golden Cap) View Details Nidovac™ Na-Fluoride Tube (Na-F + EDTA) Grey Cap View Details Nidovac™ Heparin Tube (Li / Na – Heparin) Green Cap View Details Nidovac™ Na-Citrate (Buffered Sodium Citrate tube) Blue Cap View Details MINI EDTA TUBE (K2): Purple or Lavender Cap View Details Nidovac™ EDTA (Ethylenediaminetetraacetic Acid) Purple or Lavender Cap View Details Plain Clot-Activator Tube (Serum Tube): RED Cap View Details