... Tube with screw cap, sharp bottom,PP,various colors(green,orange,blue,red) package:500pcs/bag,28bags/carton Item Code ... 1.5ml500pieces/bags,28 bags/cartons SHA38centrifuge tube,screw cap,orange,conical bottom 1.5ml500pieces/bags,28 bags/cartons SHA39centrifuge ... 1.5ml500pieces/bags,28 bags/cartons SHA41centrifuge tube,screw cap,orange,flat bottom 1.5ml500pieces/bags,24 bags/cartons SHA42centrifuge ...