Order # 70292400 Manufacturer# 0267029 Brand Sediplast Manufacturer Fisher Additive Sodium Citrate Application Sedimentation Tube Closure Type Ventilation Cap Tube Color Clear Tube Type Westergren Erythrocyte Sedimentation (ESR) UNSPSC Code 41104120 Closed system with unique vented cap: precisely calibrated hole stops the column of blood at true ?????ñzero?????? For use with Sediplast Autozero ESR system Includes 0.2 mL of 3.8% Sodium Citrate diluent When the pipet is inserted into the vial, the diaphragm is designed to break away and the unit becomes a completely sealed system