®
®
Chloride ion GASTEC-221L
GASTEC-
Copper ion GASTEC-284 R
Free Residual Chlorine GASTEC-222
GASTEC-281
GASTEC-291
GASTEC-218
GASTEC-221LL
R = Tubes require refrigeration at 50 degrees Fahrenheit or below
®
Chloride ion
5-2000 ppm
3-200 ppm
2-1000 ppm
www.zefon.com | 800.282.0073 | zefoncs@zefon.com
GASTEC-211H
GASTEC-211
GASTEC-211LL
10-1000
2-300
1-100
GASTEC-285
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