Finnex Titanium Aquarium Heater THD Series, Slim: 300, 500, 700 watts Aquarium LED With a LED spread of

With a LED spread of 120 degrees

The Finnex HMU Titanium Aquarium Heater Series

you may need to replace your fixtures IR board

Stingray Series

Finnex Titanium Aquarium Heater THD Series, Slim: 300, 500, 700 watts Aquarium LED With a LED spread ofThe Finnex THD Series Titanium Heater Elements deliver dependable aquarium heating in a sleek, streamlined design. Each THD heater uses durable titanium paired with an internal industry standard quartz sleeve for steady, consistent heat output. The THD line is your trusted standard, while the TH Series pushes the limits with extended quartz elements for maximum durability and lifespan. The Titanium Advantage Titanium is trusted by experienced