High Quality, Break Resistant Glass Construction Fully Submersible Simple Installation Available In A Variety Of Sizes Suction Cups For Securing To The Aquarium Visible Temperature Setting For Use In Fresh And Saltwater. Two suction-cup clamps included. 5-1/2 ft. cord. Safety Precautions #1Unplug all electrical appliances before making water changes or performing any maintenance. #2Use this heater indoors only. #3Check voltage to verify the one that's reported on the heater label corresponds to your electrical supply. #4Do no use if either the cable or the heater are damaged. #5Do not plug in when out of the water. #6Keep water at or above "Minimum Water Level" line. #7Fully submersible, but we recommend keeping top knob out of the water.
Fully submersible glass heater for reliable aquarium performance
Set desired aquarium temperature & on/off indicator light confirms operation
Fast heating and accurate heating temperature range is 68-93F (20-34C)
On/off indicator light allows simple, visual confirmation of heater operation
Wattage: 300-watt; Heater Length:14"; Tank Capacity: 75gal; Voltage: 110-120v 60Hz
CNZ EH-300W 300W Aquarium Glass Submersible Heater, 2-pack best price $17.59 new 2020
$11.99 Zacro AH372 Submersible Aquarium Heater with Visible Temperature, 50W