Submersible Aquarium Heater - 100 Watt

Product Description

Thermal shatter-resistant glass and dual calibration make this submersible heater extremely durable and accurate to ± 1° F. Unit switches itself off if the heater is not properly submersed, avoiding overheating and damage. Heater fastens at a 90° angle or 180° angle to the inside of a tank via suction cups. An indicator lamp lets you know when it᾿s on. Increases water temperature from 5° to 15° above room temperature. For fresh or saltwater. Heats tanks up to 30 gallons.