VWR 2 ml vials with caps in amber for HPLC sampling. Description: Clear and amber glass vials with a rounded or flat bottom, and volumes from 5 to 20 ml and closures. A rounded bottom vial is more sturdy and resistan ,548-0611EA,548-0090EA,548-1994EA,548-0799EA,548-2092EA,548-0057EA,548-0151EA. Get Price.