250mL Centrifuge Bottles, Polycarbonate, Knurled Seal Cap, Non-sterile-4Units

4/Bag--Optically clear for high visibility Seal cap features integrated silicone gasket for leak-proof seal Cap has extended lip to facilitate removal from rotor,and gripping ridges for easy opening and closing Bottles include molded graduation lines Bottle should be filled 80% of total capacity to obtain maximum results Centrifuge Bottles have a rigid body for low to moderate speed centrifugation of biological and chemical samples High quality polycarbonate and polypropylene have excellent chemical resistance Reusable and autoclavable Use of a rotor cushion is advised to support bottles during centrifugation Packaged non-sterile in re-sealable bags