JHC038 Mutil-function Test Tube Rack 50well For Different Sizes,Plastic JHC001Test Tube 12×60mm,PS500pcs/bag,5000pcs/cartonJHC002Test ... Stopper Ø16mm,Flange Type,PP1000pcs/bag,20000pcs/cartonJHC033Test Tube Rack 90well For Ø12-13mm Tube,PP5pcs/bag,50pcs/cartonJHC034Test ... Ø12-13mm Tube,Detachable,Plastic1pcs/bag,50pcs/cartonJHC037Test Tube Rack 50well For Ø15-17mm Tube,Detachable,Plastic1pcs/bag,50pcs ...