Collect water samples and other low-viscosity liquids to be analyzed for inorganic trace analytes with Thermo Scientific™ HDPE Cylinder Round Bottles, the original EPA-specified bottle for liquid sampling. HDPE cylinder rounds have a narrow mouth for easy handling and precision pouring. Certified bottles meet or exceed EPA Performance Based Specifications for metals, cyanide, fluoride and other water quality parameters. Also offered unprocessed and bulk packed for added economy. With white LDPE-lined polypropylene cap.