Marpros 25W/50W/100W/300W/500W Aquarium Heater for Freshwater and Saltwater Fish Tank, Adjustable Submersible Aquarium Heater for 15-20 Gallon Fish Tank (100W)

Key Features

• 100 Watt Aquarium Heater: This 20 gallon fish tank heater comes with explosion-proof quartz glass and removable protective casing to double protect heater, overheating protection to well support your pets in safe condition size is 2.41*1.69*12.2in. It is suitable for 10-20 gallon fish tank or aquarium.
• Submersible Aquarium Heater: When put the heater into fish tank please make sure it is totally immersible and water is fluidly so that the heating will be evenly and quickly distribut to the whole fish tank. We suggest you install heater turn button downward in your tank under water as this installation angle will make the tank temperature more accurate.
• Saltwater Aquarium Heater: This fish tank heater can be used in both fresh water tank and saltwater tank as the material is corrosion-resistant, quality is duarable and stable. It well matchs different fish tank.
• Adjustable Aquarium Heater: There is a turn button on the bottom of heater. You can adjust the temperature range from 20-34℃ (68-93.2°F) according different season and the fish tank capacity When it heats up to preset temperature it will be constant in order to well protect your pets from overheating and getting hurt. There will be temperature deviation ±1°F and will not effect your pets' comfort level.
• After-sale Service: If you have any questions like methods of using or malfunctioning for our products we will reply you online 24 hours every day. We issue one year assurance for product quality.