Prefilled dilution vials from Environmental Express save time and money in your lab. Sterile water is provided in screw-cap Nalgene bottles for easy pour and storage. All bottles are steam sterilized and are formulated to meet the requirements of Standard Methods for the Examination of Water and Wastewater.

Designed to be a serial dilution vial, there is room in the container to add extra volume with a line graduated at 100 mL.