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Simple Water Level Indicator with Alarm (3 Tested Circuits)
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Simple Water Level Indicator with Alarm (3 Tested Circuits)
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High/Low Water Level Sensor Detector Alarm 120 dB Red Strobe Siren, Adjustable Alarm Volume, Sump Bobber Water Leak Sensor,16.4ft Probe Cord, Suitable for Water Tank/Aquarium, Swimming Pool/Basement - - Amazon.com
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High Water Alarm | ysi.com
