Sell BIO Meter Tester Pure Water Mineral Test Pen Conductive Pen best price

Features: 1. Test pen, water, mineral water, pure water and used in the detection, the difference between a general trace elements and minerals in the water can increase the in the water. 2. Widely used in various generator of detection, can also be used to che the purity of pure water, wine. BIO test pen, simple operation, convenient carrying and use. Method of application: 1. Remove the cap. 2. Put the pen into the solution under test can identify the difference between pure water and water. Light is mineral water, no light is pure water. 3. After use, Wiping clean the probe Specifications: Size:125mm x 17mm x 11mm Material:plastic Color:as pictures Include: 1 X Water Quality Mineral Test Pen