Quick view Neptune Neptune Polymaster Calibration Kits MSRP: ₭7,196,234.86 - ₭7,898,897.52 Kit with isolation valves mounts in polymer pump suction line to allow precise determination of polymer flow rate. MSRP: ₭7,196,234.86 - ₭7,898,897.52 Quick Add Add to Wish list Compare