HITOP HP-608 Submersible Aquarium Heater 100W 200W 300W With Thermometer and Extra Sucker Cup (100W)

Explosion Proof: 2mm thickened quartz glass, 33% thicker than normal aquarium heaters, much safer for both human and animals.
100W suitable for 50-100Litres water, suitable for both fresh and marine water,suitable for all kinds of fish and plants.
Accurate Temperature-Control: With high-precision temperature control system, adjustable temperature ranges from 20°C – 34°C (68°F to 93°F).
Space saving and higher stability: 100W adopt 8-slot multi-branched heating wire ceramic frame, better heat dissipation, higher stability, 22.5*2.5cm, saving more space for your fish.
Complete accessaries: An extra stick-on thermometer(just peel and stick), and an extra suction cup providing for spare. Offering 24 months warranty for the whole heater.