APCI Capillary Electrode, API 4000, API 5000, 4500 Back Catalog number: CTS-21102 Availability: In the manufacturer's stock Price on request - + Recommended 4090010004 DPH1 Pocket pH Tester 1.DPH1+Meter (battery pre-in 107,86 € TH300 Thermometer TH300 Price on request 4090010006 DEC1 Pocket Cond Tester 1.DEC1Meter (battery pre- 107,86 €