HM DIGITAL DM-1 In-Line Dual TDS Monitor With One Year Warranty Analog TDS Meter
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The DM-1 is consumer friendly monitor measuring feed (input) water vs. product (output) water of a water filtration system at any time. This device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in a variety of applications such as drinking or potable water, Aquariums, Hydroponics, and many more.