Deep Blue Professional Heat Stik Quartz Heater for Aquarium 50-watt
Deep Blue Professional Heat StiK - Pro Series 50W Submersible Quartz Heater Maximum strength quartz silica tube which is shatter resistant & more durable than conventional glass heater. "Easy set" thermostat provides precise and accurate thermal control. Includes gravel guard and suction mounting brackets for horizontal or vertical positions. Completely submersible. Safe and reliable for both freshwater & marine aquariums.