25W/50W/100W/150W/300W/800W hygger Aquarium Heater
Suitable for Freshwater and Saltwater Fish Tank
25W/50W/100W/150W Fish tank heater is more suitable for small fish in small tanks, such as betta and other tropical fish
300W/800W Fish tank heater is more suitable for pet fish in medium to large tanks, such as arowana.