Dosing Tip where the tip is immersed in the sample Back Catalog number: PC-1000-654 Availability: In the manufacturer's stock Price on request - + Recommended PC-5000-1177 1/4" ID Peristaltic Pump Santoprene Tubing (TPE55S Price on request SE520 Conductivity/TDS probe with 1meter cable SE520 Price on request MA840 Polarographic DO probe with 3m cable Price on request