Do your glass heaters keep on breaking due to aggressive fish? Try Aqueon's new Pro Heaters! Durable polymer exterior with aluminum core is shatterproof. No glass components. Will withstand any abuse your fish can dish out. Electronic thermostat for accurate temperature control to +/- 1 degree F. Auto shut-off when run dry. Restarts automatically when submerged. Fully submersible. Includes suction cups and 6 ft cord. Indicator light turns red for heating and green for when the temp is set.

Aqueon Pro Heater 50 - 50W - 8 in.

Aqueon Pro Heater 100 - 100W - 9 1/2 in.

Aqueon Pro Heater 150 - 150W - 13 5/8 in.

Aqueon Pro Heater 200 - 200W - 13 5/8 in.

Aqueon Pro Heater 250 - 250W - 15 in.