Save valuable space and stabilize samples within the shipping container. Space-saving oblong shape and flat side panels allow bottles to be packed tightly into coolers. Thermo Scientific Wide-Mouth HDPE Oblong containers are an excellent general purpose sample container for liquid sampling for the purpose of inorganic analyte testing. The wide mouth feature makes this bottle ideal for sampling more viscous liquid samples like industrial wastes and sludge's. Certified to meet EPA Performance Based Specifications for metals, cyanide and fluoride analyses.