Nano Aquarium Heater and Controller- Archaea

Description A simple and reliable nano aquarium heater with inline controller. Specifications This heater comes in two sizes, 25W and 50W: 25W is suitable for a 3-8 gallon aquarium 50W is suitable for a 9-17 gallon aquarium Temperature control dial is placed outside of the aquarium Made with heat and shatterproof glass Heating element is about 12cm (4.75") long with a 2cm (0.25") diameter for both sizes.