Tube Stopper

产品描述：Stoppers for Ø12mm Test Tubes 　High grip test tubes stoppers,closed at the bottom, 　 Available in Blue /white /Red/Yellow/Green. Code Color Material Packing 35200012B Blue Polypropylene 1000pcs/polybag 20000pcs/carton 35200012W White 35200012R Red 35200012Y Yellow 35200012G Green 　　Stoppers for Ø16mm test tubes 　High grip test tubes stoppers,closed at the bottom, 　 Available in Light-Blue /white /Red/Yellow/Blue/Natural. Code Color Material Packing 35200016W White Polypropylene 100pcs/polybag 20000pcs/carton 35200016N Natural 35200016Y Yellow 35200016R Red 35200016G Green 35200016L Light-Blue 35200016B Blue