Specially suited for research studies, this vial is marked with a blue line at the 3 mL level. It can be sterilized and stored at low temperatures. Vials are packaged in corrugated trays with partitions. They are manufactured from Wheaton 33 low extractable borosilicate glass that conforms to ASTM Type I, Class A and USP Type I requirements to protect against changes in pH and to maintain the purity of the contents. Use M-T Vial File (Cat. No. 228780) for storing vials.

• 4 mL size
• Marked with blue line at 3 mL level
• Pre- attached solid-top black phenolic screw cap with 14B rubber liner
• Autoclavable