50Pcs Conical Centrifuge Tube 50Ml Plastic Screw Cap Cusp Bottom Test Tubes

50ml 50pcs

Bottom Test Bottom Test Tubes Centrifuge tube Conical Centrifuge Cusp Bottom easy marking Double grade polyethylene Plug-seal grade polypropylene Flat-top marking Double threaded Plastic Screw Plastic Screw Cap polyethylene Plug-seal screw polypropylene Flat-top caps Safety Standards Material Screw Cap Cusp Test Tubes Tubes transparent Package Contents