Erun Environmental Protection COD water quality detector has a special COD composite catalyst. Each bottle can be used 250 times. It is easy to use and must be stored at room temperature away from light.
Erun Environmental Protection COD water quality detector uses a special COD oxidant. Each bottle can be used 250 times. It is easy to use and must be stored at room temperature away from light.
Erun Environmental Protection COD water quality detector uses a special COD oxidant. Each bottle can be used 250 times. It is easy to use and must be stored at room temperature away from light.
