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NR-120
Sterile coliform bottles without sodium thiosulfate tablets for Readycult® qualitative tests for E. coli in drinking water
NR-122
Sterile coliform bottles with sodium thiosulfate tablets for Readycult® qualitative tests for E. coli in drinking water
BC-172
Plastic sterile coliform sample bottles with sodium thiosulfate tablet
BC-173
Plastic sterile coliform sample bottles without sodium thiosulfate tablet