HITOP Adjustable Aquarium Heater with Protective Cover, 25W 30W 50W 100W 120W Fish and Turtle Tank Heater for 5L to 120L…

More Power and Longer Life: Comparing to 25W, this 30W aquarium heater is more powerful and heating the same water in shorten time. Less working time provide longer life.
Double Safety Protection: 2mm thickened explosion-proof glass, 33% thicker than normal aquarium heaters, adding a specialized protective cover wrapping the heater tube, more durable and much safer for both human and aquatic creature.
Application: 30W suitable for 5L-35 Litres water, suitable for both fresh and marine water, suitable for all kinds of fish, turtle and plants. Size:19cm in Length.
High-precision temperature control system, adjustable temperature ranges from 20°C – 34°C (68°F to 93°F).
Complete accessories: An additional stick-on thermometer as a bonus to detect water temp at any time, and an extra suction cup providing for spare. Offering 24 months warranty for the whole heater.