Aqueon Submersible Aquarium Heater 100w

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