Water Purity Tester, 0.0 to 99.9mS/cm Back Catalog number: HI 98308 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended MA955 Solenoid valve with 1.5meter cable incl. Fittings Price on request MI5559 pH55 (pH/Temp waterproof tester Mi5559 Price on request MW401 TDS meter MW401 Price on request