ETL Listed / UL STD: One of the first and only titanium aquarium heaters obtaining the very latest safety approvals rated for aquarium use.
Redundancy Technology: Essentially eliminates the risks of a heater sticking on with redundancy technology. The STE Series acts like a controller within a controller.
Safety First: O-ring watertight controller seal, Japanese components utilized throughout the controller and titanium aquarium heater, non-resumable fuse.
Titanium Aquarium Heater Element: 19mm thick titanium engulfed in a flame retardent heater guard. Offers superior heat dispersion and longevity.