PH Meter For Water Quality Tester 0.01 High Precision Measuring Range 0-14 Tester Machine15x2.5x1.3cm For Aquarium Swimming Pool
https://www.vogueparade.com/shopping/EN/1537/1/1005003640136579/ph-meter-for-water-quality-tester-001-high-precision-measuring-range-0-14-tester-machine15x25x13cm-for-aquarium-swimming-pool//