Aquarium Heater 100W Submersible Fish Tank 10-40 Gallon Heater Betta Turtle Adjust Thermostat Water Heater 68 to 94°F Fast Heating Temperature Controller LED Display

Product Description Great for fresh or saltwater aquariums This submersible aquarium heater uses a quartz glass heating tube, durable, suitable for fresh water and saltwater. This adjustable aquarium heater can be used in various aquariums, such as square, cylindrical, or bowl shaped aquariums, glass, acrylic, or plastic aquariums. Anti scald design The fish tank heater has a plastic protective cover with a gap width of about 6-7 mm to prevent fish from entering, so you don't need to worry about the fish being stuck or burnt. It can protect your little turtle and fish from being burned. Easy to operate External temperature controller, easy to set temperature. Built-in thermometer, very sensitive in water. LED digital display shows the water temperature. Automatic constant temperature function When the water temperature reaches the specified value, the heater automatically stops heating. When the water temperature is lower than the set