CELLTREAT Plasteur Plastic Pasteur Pipets offer the aspirating precision of a glass pipet and the safety benefits of plastic. Plasteur Pipets are available in two sizes: 5.75 and 9" for easier handling and longer reach for working with larger vessels. Available in medical grade virgin polystyrene and polypropylene, which provides the chemical resistivity needed for many applications. NEW! Polypropylene Plasteur Pipet now available packaged in tab lock box - same standard packaging and quantity as glass Pasteur pipets. (Mfr. No. 229274 & 229284). Polypropylene Plasteur Pipet addresses many of the concerns associated with glass: Safety No more broken glass – more durable than standard glass pipets Flexible plastic helps prevent glove or skin punctures Efficiency Polypropylene Plasteur Pipet will not shatter, eliminating losses due to broken glass fragments in your work Can be autoclaved Value Saves time and money - Use all the pipets in the box, a