- Free from volatiles or extractable substances which may impair cell growth; for use at temperatures from -80 to 450°F
- Can be steam sterilized at 15 lbs. pressure, making them suitable for culture tubes containing pathogenic materials
- Length: 25 mm
Not recommended for use with concentrated acids, bromine, carbon tetrachloride, butanol, iso-propanol or toluene. Packaged in a bag of 12 stoppers.