Boston round bottle, translucent, HDPE, certified with cap. Excellent for water sampling. I-Chem certified to meet the EPA's performance based specifications for metals analysis. Each 300 series lot is bar-coded for traceability and supplied with a certificate of analysis and sample-analysis labels, unattached. Polypropylene caps included. Capacity: 1000mL. Closure Size: 38-430. Series: 300. Dimension: 3.5 O.D. x 8.62in H. I-Chem Brand #: 319-1000.