Save time during sample preparation and reduce the risk of contamination using Thermo Scientific™ 9mm Wide Opening Clear Vial Convenience kits (Unassembled). Each kit includes 100 clear glass vials and 100 screw thread caps with pre-assembled septa. Reusable two-compartment trays protect vials and closures while keeping matching supplies together. Clear trays to make it easy to keep track of available supplies without opening containers. Choose from Thermo Scientific™, Thermo Scientific™ National™, and Thermo Scientific™ Chromacol™ brands. Waters Alliance - 2mL Screw Top Vial with a K-Cap White Silicone/Red PTFE Seal.