... )without moulded graduation (3)with hingedcover (4)ISO 9001:2000 200ul Centrifuge TubeThis centrifuge tube is made of medical grade polypropylene ... ,hinged cap,without graduation,autoclavable,CodeDescriptionMaterialPackingLXG-200UL-P flat lid,without graduationPP100pcs/polybag,50,000pcs/cartonLXG-200UL-Gdomed lid,without graduationPP100pcs/polybag,50 ...