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Finnex HC-820M Digital Heater Controller/300W Heater Combo
" Finnex HC-820M Digital Heater Controller/300W Heater Combo \r\n Finnex HC-820M Digital Heater Controller +Sensor \r\n The HC-820M Finnex heater controller uses an advanced digital processor that monitors and controls the water temperature in your aquarium. The heating controller receives temp...
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