1.5ml centrifuge tube,Flat Cap Without any detectable DNA enzymes, RNA enzymes, proteins, DNA, heat and metal Color: Natural 1.5ml Centrifuge TubeGraduated microcentrifuge tube, optical flat cap, writing area. Tube can be frozen down to -80 andheated to 121. Max RFC: 21000gWithout any detectable DNA enzymes, RNA enzymes, proteins, DNA, heat and metalColor: Natural ProductsPackage Specification1. ...