Nalgene 2016 Square Narrow-Mouth Polypropylene Copolymer Graduted Sample Bottles with Caps. Wide mouth design makes it easy to measure and dispense. These polypropylene copolymer bottles are graduated, repeatedly autoclavable, translucent and resistant to alcohols and bases. Useful between 0° and 135°C (32° and 275°F). Autoclavable and Leakproof.
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