Product: FEDOUR 50W 100W 300W Submersible Adjustable Aquarium Heater, for 5 – 65 Gallon Fish Tank (300W for 25~65gallon)
Brand: FEDOUR
Color: Black
300W Aquarium Heater, 11 x 1 x 1 in, 1.5M/4.9ft cable This heater is simple and beautiful in appearance, placed in your aquarium,unobtrusive, and will not destroy the fish tank landscape. You and your fish will like it. We adopted 2mm thickened quartz glass, much safer for both human and animals. And it will turn off automatically when reaches temperature you set, without overheating. For the products, we have been keeping improving. Please contact us when there isany question or suggestion in use, we offer the excellent service and think highly of every user’s opinions. Features: 1. Good in maintain temp. 2. Both suitable for freshwater and saltwater. 3. Complete accessories: An extra stick-on thermometer(just peel and stick) and 2 extra suction cups are provided for spare(total 3). 4.  Better construction: Adopt 10-slot multi-branched heating wire ceramic frame, better heat dissipation, 11 x 1 x 1inch, saving more space for your fish. Cautions: 1. The heating part must be fully submerged in the water to avoid dry-burning,otherwise will cause damage to heater. 2. Please clean the heater regularly to remove dirt from the heating tube and keep it in good working condition. 3. Please make sure that you have turned it off and it has cooled down completely when you need to take it out from water. 4. It is forbidden to pull the heater adjustment knob outwards. 5. If you want to change water, please unplug the heater and wait for 15 minutes to make wure the heater have been cooled down, or remove the heater from the water.
Explosion Proof: 2mm thickened explosion proof glass, 33% thicker than the normal, safer for both human and animals.
Application:300W water heater is suitable for 20 – 50 gallon tank, also suitable for both saltwater and freshwater.
Accurate Temperature: Temperatures from 68°F to 93°F (20°C - 34°C), come with a thermometer sticker, convenient to detect the water temperature without another pay.
Long Service Life: Adopt 10-slot multi-branched heating wire ceramic frame, shorter length, 11*1*1 in(27*2.5*2.5 cm), better heat dissipation, and can save more space for your fishes.
Complete Accessories and Warranty: Except for thermometer, also equipped with 3 suction cups, one for replacement, and offer 12 months warranty, leave you no worries after you buy it.

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