pH Sensor InPro4260i/SG/225 Back Catalog number: 52005382 Availability: In the manufacturer's stock Price on request - + Recommended MA851D/1 pH/EC/TDS/Temp. amplified probe, 1m Price on request MA814D/1 EC/TDS/Temp probe for Mi306 Price on request MA918B/1 Comb glass pH electrode 3 dia, DJ,refill, BNC, 1m Price on request