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Amazon.com: Krageröd – Garden Hose Water Meter | Measure in Gallons or Liters | Use with Garden Water Timer to Measure The Exact Amount of Water Used in Outdoor Irrigation | Simple
Water Meter 3/4" - 1 pulse per 1 gallon - Dilution Solutions
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NTEP Approved Positive Displacement Water Meter - FLOWS.COM
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2 Pack - P3 P0550 Water Meter | Measure Watering Use in Gallons or Liters |Fits Standard Garden Hose - Amazon.com