100/500Pcs 20ml Scintillation Vials Transparent Borosilicate Glass Counting Vial
Material: The scintillation vials are made of low-potassium borosilicate glass that conforms to USP Type I and ASTM E438, Type I, Class A specifications. 5 trays per case. They are widely used in the fields of education, research, and life sciences in laboratory applications.