Pasteur pipettes, cotton stopper,sterile, lime-soda clear glass, total L 230 mmPasteur pipettes, cotton stopper,sterile, lime soda clear glass, total L 230 mm Material: soda lime glass (hydrolytic class 3). Autoclavable: yes. Sterile For one time use in serological and microbiological laboratories. Also suitable for filling and draining NMR vials. Uniformly shaped Double thickness 0. 55 0. 8 mm With neck for cotton stoppers Technical Information Vol. 2 ml Total length 230 mm external 7 mm Tip length 140 mm Version closed tip