Protect against leakage and contamination with break-resistant Thermo Scientific Nalgene Class B Polypropylene Copolymer Volumetric Flasks with Closure. Lighter in weight than glass, these flasks offer excellent chemical resistance and are calibrated “To Contain” and “To Deliver” at 20°C (68°F).
Break resistant, excellent chemical resistance for years of dependable use in your lab ,li>Individually hand calibrated, permanent color graduation line and oval marking spot for ease in reading fluid levels No meniscus to confuse readings 200mL size has additional line at 203mL level for BOD and DO determinations Autoclavable/Leakproof/Graduated