TIS Capillary Electrode, API 2000, QTRAP Back Catalog number: CTS-21212 Availability: In the manufacturer's stock Price on request - + Recommended MW101-SOIL MW101-E Portable pH meter MW101-SOIL Price on request MI106 Combined portable meter pH/ORP/Temp Mi106 Price on request HI 98308 Water Purity Tester, 0.0 to 99.9mS/cm Price on request