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Availability: กรุณาสอบถามค่ะ
Product Description
JS-162-1
Range : 0 to 10 mg/L(ppm) [0 - 1.0 - 3.0 - 5.0 - 10.0 mg/L(ppm) ]
50 strips/box
JS-163-1
Range : 0 to 300mg/L(ppm)[0 - 25 - 50 - 100 - 200 - 300 mg/L(ppm)]
50 strips/box