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Residual chlorine test strip Hospital sewage peroxyacetic acid Residual hydrogen peroxide Hydrogen peroxide Chlorine dioxide effective chlorine Cyclocyclocyclocyclocyclocyclocyclocyclocyclocyclocyclocyclocyclocycl

 
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Brands:
Huankai
Model:
HK-090510
Origin:
Mainland China
Color classification:
Residual chlorine test strip 0-20mg l (100 times)Sewage effective chlorine test strip 20-1500mg l(100 times Peroxyacetic acid test strip 0-40mg l(100 times
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