Vials, EPA Style, Glass. Clear, 40ml. 95x27.5mm outer dimensions. For use as an EPA test vial or storage bottle. ND24 threads. BASIK Brand. For use as an EPA test vial or storage bottle. ND24 threads. BASIK Brand. Additional Info: First hydrolytic, Class A, Type 33, Borosilicate Glass. Fill volume is approximately 31ml. Use 24mm screw caps that have 24-414 threads, sold separately. Lower cost for budget minded laboratories.