ORP Redox Meter -1999~1999mV Oxidation Reduction Potential Tester with 256mV ORP Calibration Buffer for Water Testing, Aquarium, Research Laboratory (ORP-228 Meter+Calibration Powder) ORP-228 Meter+Calibration Powder industrial Only need three IO ports tapes_June2026
USD191.00
USD227.00
Pay in 4 interest-free payments of $47.75 Learn more
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Nov 10 - Nov 15