Centrifuge Tube with screw cap, graduated conical bottom, PP 15ml, 50ml Centrifuge tubes with screw cap, graduated conical bottom, PP50ml not self-standing, without sterilized in bulk, 800pcs/CTN,56*42*42cm50ml self-standing, without sterilized in bulk, 700pcs/CTN,56*42*42cm15ml without sterilized in bulk, 2000pcs/CTN, 56*42*42cm