Aqueon Submersible Heater

Aqueon Submersible Aquarium Heaters are made from thermal shatter-resistant quartz glass and were designed to absorb impacts, making them extremely durable. A power indicator light comes on when unit is heating. UL approved, the heater is also programmed to turn itself off when not properly submersed to avoid overheating and damage. Shatter resistant Adjustable heat setting 68 to 88°F Precise temperature setting to 1° Auto Shut-off LED light turns on when aquarium water is being heated Dimensions   50 Watts 3.8" x 1.5" x 11" 100 Watts 3.8" x 1.5" x 12.3" 150 Watts 3.7" x 1.5" x 15"   Warranty Limited Lifetime View Warranty Policy