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HM Digital Testing Products

Select your HM Digital Testing Product below. Email support@waterfilters.net if you cannot find your HM Digital Testing Product.
  • HM Digital FMS-2 Water Flow Sensor

    (Retail Price: $19.55 ) $15.29
  • HM Digital ZT-2 TDS Meter

    (Retail Price: $28.79 ) $22.99
  • PH-200 Waterproof pH Meter by HM Digital

    (Retail Price: $99.95 ) $83.99