Purchase Qty. Reference FOB Price
100-499 pieces US$1.20
500-4,999 pieces US$1.00
5,000+ pieces US$0.88
Product Description
Details Images feature: 1. This is a digital TDS meter tester, used to measure the purity of the filter water quality, check the performance of the water filter, and check the hardness (1grain = 17ppm) to ensure that you always drink pure water. Save measurement values for easy reading and ...