Wheaton* Sample Vials in Lab Files*

Packaged in corrugated trays with partitions and shrink-wrapped to reduce particulate contamination. Available in both clear and amber. Clear vials are manufactured from Wheaton 33* low extractable borosilicate glass to protect against changes in pH and maintain purity of contents. They meet ASTM Type I, Class A and USP Type I standards. Amber vials are manufactured from Wheaton "320"� amber glass to protect light-sensitive samples, and meet ASTM Type I, Class B and USP Type I standards. Caps available on page 2120.