Gas/Vapor
Measuring Range
Part No.
10/Box
Chloride Ion
25 to 1000 mg/l
221L
$66.85
10 to 200 mg/l
221LL
Sulfide Ion
10 to 1000 ppm
211H
2 to 300 ppm
211M
1 to 100 ppm
211
0.5 to 20 ppm
211LL
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