A conical lower interior surface eliminates spin-out when used with an egg-shaped PTFE magnetic stir bar

·         Jacket has serrated 3/8” hose connections

·         The open top provides easy access to concentrated residual samples

·         Design meets  ASTM  Specification E960, Type I requirements

·         Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements