网页Wide Range of Types | 8mm up to 13mm | Silanized | RSA™ Vials. Screw Top Vials are the most popular vial for HPLC, CE and GC. We offer a wide range of glass, shapes and volumes to meet every need for the chromatography laboratory including low adsorption, silanized, surface treated for bio compounds, plastic and low volume center draining vials.