Vials, EPA Style, Glass. Clear, 20ml. 57x27.5mm outer dimensions. For use as an EPA test vial or storage bottle. ND24 threads. BASIK Brand. 100/PK.
First hydrolytic, Class A, Type 33, Borosilicate Glass. Fill volume is approximately 23.3ml. Use 24mm screw caps that have 24-414 threads, sold separately.
Lower cost for budget minded laboratories.