Manufactured from 33 expansion, low extractable borosilicate glass.

• Without a capacity scale
• With colour coded standard taper PTFE stopper

These flasks are processed to protect materials which are sensitive to the light of shorter wavelengths.

Designed from ASTM Specification E1404, Type II, Class II requirements. Glass conforming to to USP Type I and ASTM E438, Type I, Class A requirements, and then RAY-SORB® processed.