★300W aquarium heater is suitable for 50 to 80 gallons aquariums,Length - 11 inch,voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart. | ★It shows an area to adjust the temperature. It's not exactly accurate but it turns easy and can be adjusted at small intervals. | ★Explosion Proof: 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank. | ★Precise temperature dial from 68 to 89°F allows for complete control of aquatic climate within a 1-degree difference. | ★Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached

?25W Aquarium Heater?Orlushy 25w fish tank heater can be applicable to 1-6 gallons tank. It is 4.7 inches in length, ideal for use in low water level and won take up mech place, easy to hide in small tank. Please fully submerged the heater vertically into water in fish tank, and horizontally into water in turtle tanks. | ?Easy to Operate ?This aquarium heater is automatic constant temperature heating when the power is switched on. The preset temperature is 78?. Accuracy is ÿ. Stair shape heating that red light is on and heater starts to intermittently heat the water to the preset temp, saving energy and electricity. When green light is on, heater stops working and maintains constantly 78?. | ?Durable & Material? The durable material of the heater ensures safe operation. The outer shell covering the whole body of the heater is made of heat-resistant ABS material that it won deform and melt under high temperature. The heating rod is made of nickel-chromium heating wire to faster heating rate, and non-corrosive quartz glass. | ?Cautions? 1.Please ensure the heater is 100% submerged into the water before plug in the power. 2. Please unplug the power and cool down the heater for 10-20 minutes before taking it out to clean the fish tanks or change the water. | ?Guaranteed Customer Service? Orlushy fish tank heater is made with great safety and durability for use. We guarantee 1 -Year warranty. If there is any issue with our product, please contact us, and we would gladly offer you after-sales service.

?150W aquarium heater is suitable for 20 to 30 gallons aquariums,Length - 9.5"",voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart. | ?It shows an area to adjust the temperature. It's not exactly accurate but it turns easy and can be adjusted at small intervals | ?Explosion Proof: 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank. | ?Precise temperature dial from 68 to 89 allows for complete control of aquatic climate within a 1-degree difference | ?Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached.

?200W aquarium heater is suitable for 30 to 40 gallons aquariums,Length - 11"",voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart. | ?It shows an area to adjust the temperature. It's not exactly accurate but it turns easy and can be adjusted at small intervals. | ?Explosion Proof: 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank. | ?Precise temperature dial from 68 to 89 ?F allows for complete control of aquatic climate within a 1-degree difference. | ?Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached.

?Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached | ?500W aquarium heater is suitable for 40 to 75 gallons aquariums,voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart. | ?Explosion Proof: 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank. | ?Precise temperature dial from 68 to 89 allows for complete control of aquatic climate within a 1-degree difference.