VACUETTE® Z SERUM CLOT VENOUS BLOOD COLLECTION TUBE, 2 ML, 13 X 75 MM, SOLD AS 1200/CASE GREINER 454236Vacuette Z Serum Clot Venous Blood Collection Tube, 2 Ml, 13 X 75 Mm, Sold As 1200 Case Greiner 454236 The Inner Wall Of The Serum Tube Is Specially Coated With Microscopic Silica Particles, Which Activate The Coagulation Process Pull Cap Is Red 2 Ml Polyethylene Terephthalate Tubes Include A Clot Activator Additive Tube, Bld Col Clot Red Wht 2Mlpet Vacuette (50 Bx 24Bx Cs) Vacuette Z Serum Clot Activator Venous Blood Collection Tube Clot Activator