Includes break-apart polyethylene plug caps (not resealable.) Low Adsorbtion surface treatment reduces sample interaction with the glass. Use with the following autosamplers and racks: SIL-20A/AC, SIL-30AC, SIL-40, LC-2010HTa/c, SIL-HTa/c: 1 mL vial rack. SIL-10ADvp: Racks 1, 6, 11, and 16.