200W Submersible Aquarium Heating Rod w/ Adjustable Temperature Knob w/ Explosion Proof Glass for 53 gal. Tank $24.95ea. Free Shipping Correct temperature range is very important for fish and other living organisms in the tank,and Submersible Heater is a good choice to fulfil this task. Features: Power: 200w Wire Length: 0.9m/35.4 inch Tank Capacity: 200L / 53Gallons Body Material: Glass Switch type: knob Plug type: USA Plug Voltage:110V What's in the Box 1 x Brand New Submersible Heater 2 x Suction cups Caution: 1.After you put it totally in the water you can power on it. as there is the chance to be get burns. 2.If you want to move the heater or change the aquarium water, you need to power off the heater first and wait 15 minutes until the temperature drops to normal temperature. 3.The power cable cannot be repaired or replaced, the entire heater need to be replaced when it gets damaged. Note: 1 Please allow 1-3cm error due to manual measurement, make sure you do not mind before you bid. 2 The colors may be different for different displays, please understand. 3 The original plug is EU Plug,and We will send you an adapter according to your country. 30 dys money back guarantee. Returned items must be in original condition and packaging. Buyer pays return shipping. No refunds issued unless items are returned.