Digital LCD TDS3/TEMP/PPM TDS Meter Water Tester Filter Pen Stick

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    DESCRIPTION

• This is a Digital TDS Meter Tester, For Test the Filter Water Quality Purity, Check the performance of your water filter, Check for hardness (1grain17ppm), Make sure you always drink pure water!
• Features:
• 100% Brand new and high quality
• This item can be used in: water purifiers and filters, food (vegetable, fruits) drink quality monitoring, pools and spas, aquariums, hydroponics