800 Watt Titanium (Heater Element Only) w/Guard (100-300 Gallon) - Finnex

This Heating Element Required a Heating Controller to Operate! - https://www.saltwateraquarium.com/hc-810m-digital-temperature-controller-up-to-800-watts-finnex/

The Titanium Finnex Heaters are corrosion-resistant, extending the life exponentially from saltwater damage.  Virtually unbreakable, especially in comparison with the standard glass aquarium, these tube are built to last.  The ultra heating titanium further provides a stable temperature environment for your aquarium lives and eliminates temperature swings that put stress on the aquarist's live stock. This titanium heaters are suited for both use in fresh and salt water aquarium. Will work well with other controllers accepting 3 prong heating elements. The titanium heating element is also wrapped with a protective heater guard to prevent one's aquatic inhabitants as well as surrounding equipment.  The new TH-S Deluxe Titanium Series also includes suction cups to allow users to secure the titanium element in preferred locations.  

Please Note: Additional heating units may be required and discouraged from using in extraordinary setups (where warranty may be void) not limited to:  Applications outside of standard aquarium use, basement setups, garage setups, ponds, outdoor use, greenhouses, extreme temperature conditions, etc.