3Pcs PH Buffer Measure Calibration Solution ph4.00/ 6.86 /9.18 Calibration Point

Feature: 100% Brand new and high quality Light weight, easy to carry Just add water or distilled water For each powder pack,we can make 250ml solution Use for PH tester measure calibration solution PH Meter Buffer Solution Powder Set for Quick and Easy pH Calibration Description Material: Powder Color:As picture shown Size:2.9*2.5in Package Included:1PC 4.01PH buffer powder 1PC 6.86PH buffer powder 1PC 9.18PH buffer powder Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

PH Buffer Powder Measure