Commercial (uses Midget comparators), Copper, 0.2-3.0 ppm/Iron, 0-2.0 ppm
Price: $161.47
Commercial (uses Midget comparators), Chlorine, DPD, 0.2-3.0 ppm/pH, 6.8-8.2
Price: $141.15
Commercial (uses Slide comparators), Chlorine, DPD, 0-3.0 ppm/pH, 6.8-8.4
Price: $251.72
Commercial (uses Slide comparators), Chlorine, DPD, 1.0-10 ppm/pH, 6.8-8.4
Price: $254.22