E-C Vial, Glass Clear, 15-425 Rubber Lined Cap)8 mL E-C Vial, Glass Clear, 15-425 Cap, Rubber. Wheaton Glass E-C Sample Vial, with Phenolic Teflon-Faced Rubber Lined Cap Packaged Separately. These economically priced sample vials are conveniently packed in two shrink-wrapped packs of 100 vials.