MOS Magnetic Optical Sensor Fishmas With a digital readout

With a digital readout

surpassed only by sodium and chloride

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shortening the lifespan of the probe

You will receive an elegance similar to the ones pictured

MOS Magnetic Optical Sensor Fishmas With a digital readoutThe Magnetic Optical Sensor replaces our optical sensor with magnet and offers an improved look, feel, and magnetic design that also lends itself to help prevent water incursion into the sensor. This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto top off), as a high level warning sensor in your