Serological pipets are glass pipets that are calibrated “to deliver.” They can be washed 10 or more times before the graduations come off. For the price, science instructors may want to consider these pipets. They come in four sizes.
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The medical/clinical community considers these indivually wrapped, sterile serologial pipets as “throw-away” pipets. You will find that they can be washed at least 10 or more times before the graduations come off. For the price, science teachers may want to consider these pipets. Glass pipets are calibrated “to deliver.”