TDS Digital Meter Water Tester Pen for Water Quality Hangzhou Ruichang Import and Export Co., Ltd. Base Info Model NO.:T13Display:DigitalAppliance:Water TesterPortable:PortableType:TDS MeterTrademark:OEMTransport Package:200 PCS,CartonSpecification:15.5*3.1*2.3Origin:ChinaHS Code:9026809000 Description Pre:TDS Digital Meter Tester Pen for Water Quality Next:TDS Digital Meter Tester Pen Test Tool for Water Quality