4mL Screw Thread Glass Vials for Waters/WISP Autosamplers-NSC C4015-1

4 mL, 15 x 45 mm vials custom fit for Waters 48 position tray. Fully compatible with 710 to 717 WISP units. Made from superior quality 33 expansion borosilicate glass. I-D vials have a write-on patch with graduations at 0.5, 1.0 and 1.5 mL.