Vials made from Type I, Class A borosilicate glass.

• 40% larger opening than standard vials
• Silanized vials help to limit protein adsorption
• Uniformly flat bottom for security with inserts
• Ceramic write-on ID patch with graduations at 0.5, 1.0 and 1.5 ml

Inserts are designed for wide-opening 2 ml vials. Flat-bottom MicroSerts™ inserts are made from borosilicate glass. Conical-style Polyspring® inserts are available in borosilicate glass or polypropylene. Convenience kits include vials and caps with pre-inserted septa. Preassembled kits have vials with preattached caps and septa. Certified vial kits are tested and certified to meet or exceed up to 17 critical performance parameters; certificate enclosed with kit.