Commercial (uses Midget comparators), Copper, 0.2-3.0 ppm/Iron, 0-2.0 ppm
Price: $155.16
Commercial (uses Midget comparators), Chlorine, DPD, 0.2-3.0 ppm/pH, 6.8-8.2
Price: $135.62
Commercial (uses Slide comparators), Chlorine, DPD, 0-3.0 ppm/pH, 6.8-8.4
Price: $241.88
Commercial (uses Slide comparators), Chlorine, DPD, 1.0-10 ppm/pH, 6.8-8.4
Price: $244.29