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50pcs Hall Effect Sensor Switch 41F 43F 44E 49E 503 17CA 3144 49138 U18 OH137 AH469 AH462 AH463 Element Brushless Electric SMD - AliExpress
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HERCHR Water Flow Switch, 1Pc New Full Cooper G3/4 DN20mm Thread Hall Effect Liquid Water Flow Sensor Switch 2-45L/Min , G3/4 Water Flow Switch, Water Flow Hall Sensor - Walmart.com
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