The Hydor Theo 400-Watt Aquarium Heater is an essential tool for maintaining the ideal water temperature in your aquarium. Designed for use in both freshwater and marine fish tanks, this fully submersible heater ensures optimal thermal conditions for the health and well-being of your aquatic life.

Constructed with high-quality shatter-proof glass, the Hydor Theo heater is built to last. Its advanced technology offers precise temperature regulation, allowing you to position the heater either vertically or horizontally in your tank. The heater features a graduated scale for easy temperature adjustments, while the self-control limiting technology prevents overheating and ensures safe operation even in the event of dry running. Its sleek black design complements any aquarium setup.

Key Features

• Powerful 400-watt capacity suitable for 80-to-105-gallon fish tanks.
• Fully submersible design crafted from shatter-proof glass for maximum durability.
• Shock-resistant technology thanks to the patented PTC heating element.
• Versatile positioning with supplied suction cups for stable installation.
• Self-control limiting technology prevents overheating for safe operation.
• Easy-to-read graduated scale for precise temperature regulation.
• Universal compatibility with both freshwater and marine fish tanks.

The Hydor Theo 400-Watt Aquarium Heater is an excellent choice for both novice and experienced aquarium enthusiasts. Its combination of safety features, durable materials, and precise performance makes it ideal for anyone looking to create a thriving aquatic environment. Invest in the Hydor Theo Heater and provide your fish with the optimal habitat they deserve.