HT 2300 Aquarium Heater:
Temperature can be adjusted conveniently and exactly, which is visible on the indicator. The sensitive and reliable adjustment ensures the stable temperature you want. Can be used in fresh or salt water with compact structure range for most aquariums. Brace and suckers are included for ideal position you want in the aquarium.
Please check the submerged heater before you use them. If the water came into the heater, please cut off the electricity and stop using it.