Aqueon Submersible Aquarium Heater

Aqueon Submersible Aquarium Heaters maintain precision temperature control with a digital thermostat that provides more accurate readings (+/-1°F) than traditional analog thermostats. The heater unit features an auto-shut off feature for safety, and extremely durable thermal shatter-resistant glass construction.
Compact size with shatter resistant construction
Electronic thermostat provides accurate and reliable heating
Precise temperature control to +/-1°F
Auto-safety shut off and overheat protection
For fresh or saltwater aquariums
Includes suction cup clamps for easy mounting. May be installed vertically or horizontally. Indicator lamp shows when heater is operational.
Specifications:
Lifetime warranty
3/4" glass tube diameter
UL listed