The wider opening of these vials facilitates introduction of large size samples. They are recommended for use on Packard scintillation vial counters. Vials are packaged 100 vials per cellular tray. Trays have alphanumeric coordinates for fast, easy identification and are shrink-wrapped to preserve cleanliness. Closures are packed in polyethylene bags of 100 pieces in a separate tray.
Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.