Vials. 9532S-MS: AutoSampler Vials, 300ul, 12x32mm, Screw Top. Translucent. PP Compatible with Most Mass Spec Applications. 3/pack. Cap. 9502S-07-LCC: Screw Caps, Mass Spec Compatible, w/Sil/PTFE Bonded Pre-Slit Septa, Blue. For Universal, MS Compatible Vials. 3/pk. Blue 9502S