As this water heater is made of extremely durable glass, it will last a long time if used under normal conditions.
Main characteristics
25 watt submersible heater for freshwater and saltwater aquariums
Length: 15 cm (6 in)
Suitable for aquariums containing 20 L (5.5 US gal) of water or less
Easy-to-reach knob to adjust temperature
Easy to read and use temperature controller
On/off indicator light
Made of extremely resistant glass
Protective band to not hurt the fish
Waterproof
Includes bracket and suction cups for easy and reliable installation
CSA approved
Comes with a 1.8m power cord
Temperature ranging from 20 to 28°C (68 to 82°F)