The Aqua One Titanium Heater series offers precise and durable temperature control for freshwater and marine aquariums. Constructed from corrosion-resistant titanium, these fully submersible heaters feature an external thermostat with an adjustable temperature range between 14°C and 34°C. An LED indicator displays when the heater is active, and adhesive suction cups ensure secure mounting inside the tank. Available in multiple wattages, including 50W, 100W, 200W, 300W, and 500W, they cater to various tank sizes and requirements. Ideal for maintaining stable water temperatures and promoting the health of aquatic life.