Conical bottom

·         The 5, 10, and 15 mL sizes have a finished top for a snap-cap closure (not supplied)

·         The 50 mL size has a tooled top

·         Tubes are plastic shrink wrapped in modular trays to keep them clean and safe in transit

·         See 73837 for snap cap closures

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